Common use of Tandem Transit Traffic Clause in Contracts

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel shall pay Verizon for Transit Service that Navtel originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelENT's network, and is transported through a Verizon Verizon’s Tandem to the Central subtending End Office or its equivalent of a another carrier (CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel delivers such trafficLEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Verizon be required to transit traffic through a Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ENT with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ENT shall deliver each Tandem Transit Traffic call to Verizon Verizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel shall exercise its best efforts ENT may use Tandem Transit Traffic Service only for traffic that originates on ENT’s network and only to enter into send traffic to an Other Carrier with whom ENT has a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual Tariffstariffs) with any CLEC, ILEC, CMRS carrier, or other LECthat provides for the Other Carrier, to which it delivers Telephone Exchange Service terminate or complete traffic that transits originated by ENT and to ▇▇▇▇ ENT, and not to ▇▇▇▇ Verizon, for such traffic. ENT agrees not to use Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachmentto send traffic to an Other Carrier with whom ENT does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on ENT’s network. 12.5 Navtel ENT shall pay Verizon for Tandem Transit Traffic Service that Navtel originates at the rate rates specified in the Pricing Attachment. Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through Verizon’s Tandem and Verizon reserves the right to assess to Navtel ENT any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, any Other Carrier imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment If Verizon is billed by any Other Carrier for any traffic originated by ENT, Verizon may provide notice to ENT of such billing. Upon receipt of such notice, ENT shall immediately stop using Verizon’s Tandem Transit Traffic Service to send any terminating traffic to such Other Carrier until it has provided to Verizon certification that the Other Carrier has removed such billed charges (access from its ▇▇▇▇ to Verizon and that the Other Carrier will not ▇▇▇▇ Verizon for any traffic originated by ENT. Such certification must be signed by an authorized officer or otherwise) is agent of the responsibility of NavtelOther Carrier and must be in a form acceptable to Verizon. 12.6 Except as set forth in this Section 12.6, Verizon will not provide If ENT uses Tandem Transit Traffic Service for Tandem Transit Traffic traffic volumes that exceed the CCS Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular CLEC, ITC, CMRS carrier or other LEC Other Carrier for any month (the “Threshold Level”). At ENT shall use good faith efforts to establish direct interconnection with such time Other Carrier and reduce such traffic volumes below the Threshold Level. If Verizon believes that ▇▇▇▇▇▇’s ENT has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If ENT fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend a ENT switch, then ENT shall provide written notice to Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from Verizon, ENT shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic exceeds the Threshold Level, upon receipt Service provided by Verizon to ENT as defined in this Section such that Verizon may terminate calls to a Central Office or its equivalent of a written request from NavtelCLEC, Verizon shall continue to provide ILEC other than Verizon, CMRS carrier, or other LEC, that subtends a ENT Central Office or its equivalent (“Reciprocal Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition PeriodService”). During the Transition Period, in addition ENT shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to any and all Tandem Transit Traffic rates and charges as this Agreement or a separate agreement no less favorable than those provided in Section 12.5 hereofthis Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPNG's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel PNG delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel PNG with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel PNG shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel PNG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel PNG does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel PNG will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel PNG shall pay Verizon for Transit Service that Navtel PNG originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel PNG any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelPNG. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇PNG’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelPNG, Verizon shall continue to provide Tandem Transit Service to Navtel PNG (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel PNG shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon PNG’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, PNG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that PNG has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to PNG, PNG shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelReconex's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Reconex delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Reconex with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Reconex shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Reconex shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Reconex does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentReconex. 12.5 Navtel 11.5 Reconex shall pay Verizon for Transit Service that Navtel Reconex originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Reconex Central Office, then Reconex shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Reconex as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Reconex Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Reconex shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelATI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ATI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ATI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ATI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel ATI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ATI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel ATI will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel ATI shall pay Verizon for Transit Service that Navtel ATI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel ATI any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelATI. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇ATI’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelATI, Verizon shall continue to provide Tandem Transit Service to Navtel ATI (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel ATI shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon ATI’s receipt of ▇▇▇▇▇▇▇’s notice that the Threshold Level has been reached with respect to a specific carrier, ATI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that ATI has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to ATI, ATI shall continue to pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelTalk Unlimited's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Talk Unlimited delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Talk Unlimited with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Talk Unlimited shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Talk Unlimited shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Talk Unlimited does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentTalk Unlimited. 12.5 Navtel Talk Unlimited shall pay Verizon for Transit Service that Navtel Talk Unlimited originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Talk Unlimited Central Office, then Talk Unlimited shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Talk Unlimited as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Talk Unlimited Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Talk Unlimited shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's Reconex’s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Reconex delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Reconex with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Reconex shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Reconex shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Reconex does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentReconex. 12.5 Navtel 11.5 Reconex shall pay Verizon for Transit Service that Navtel Reconex originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Reconex Central Office, then Reconex shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Reconex as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Reconex Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Reconex shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelICG's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ICG delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ICG with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel ICG shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel ICG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ICG does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentICG. 12.5 Navtel ICG shall pay Verizon for Transit Service that Navtel ICG originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month (LEC, if the “Threshold Level”). At such time that ▇▇▇▇▇▇’s volume of Tandem Transit Traffic to be delivered to that carrier exceeds the Threshold Level, upon receipt one (1) DS1 level volume of a written request from Navtel, calls for two (2) consecutive months. Verizon shall continue to provide Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to will give ICG sixty (60) days after advance written notice of its intent to terminate provision of Tandem Transit Traffic Service pursuant to the date upon which preceding sentence. 12.7 If or when a third party carrier’s Central Office subtends a ICG Central Office, then ICG shall offer to Verizon a service arrangement equivalent to or the Threshold Level was reached for the subject carrier same as Tandem Transit Service provided by Verizon to ICG as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ICG Central Office (the “Transition PeriodReciprocal Tandem Transit Service”). During the Transition Period, in addition to any ICG shall offer such Reciprocal Transit Service arrangements under terms and all Tandem Transit Traffic rates and charges as conditions no less favorable than those provided in this Section 12.5 hereof12. 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's NUI’s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel NUI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel NUI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel NUI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel NUI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel NUI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentNUI. 12.5 Navtel NUI shall pay Verizon for Transit Service that Navtel NUI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a NUI Central Office, then NUI shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to NUI as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a NUI Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At NUI shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPrepaid's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Prepaid delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Prepaid with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Prepaid shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Prepaid shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Prepaid does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentPrepaid. 12.5 Navtel Prepaid shall pay Verizon for Transit Service that Navtel Prepaid originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Prepaid Central Office, then Prepaid shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Prepaid as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Prepaid Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Prepaid shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelSBCT's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel SBCT delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel SBCT with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel SBCT shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel SBCT shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel SBCT does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentSBCT. 12.5 Navtel SBCT shall pay Verizon for Transit Service that Navtel SBCT originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a SBCT Central Office, then SBCT shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to SBCT as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a SBCT Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At SBCT shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12.‌‌‌‌‌‌‌‌‌‌ 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelDNA's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel DNA delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel DNA with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel DNA shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel DNA shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel DNA does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel DNA will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel DNA shall pay Verizon for Transit Service that Navtel DNA originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel DNA any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelDNA. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇DNA’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelDNA, Verizon shall continue to provide Tandem Transit Service to Navtel DNA (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel DNA shall pay VerizonVerizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon DNA’s receipt of ▇▇▇▇▇▇▇’s notice that the Threshold Level has been reached with respect to a specific carrier, DNA shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that DNA has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to DNA, DNA shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNL's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel NL delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel NL with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel NL shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel NL shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel NL does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel NL will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel NL shall pay Verizon for Transit Service that Navtel NL originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel NL any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelNL. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇NL’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelNL, Verizon shall continue to provide Tandem Transit Service to Navtel NL (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizon.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelReFlex's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRSCRMS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ReFlex delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel ReFlex with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel ReFlex shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 ReFlex shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ReFlex does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentReFlex. 12.5 Navtel 11.5 ReFlex shall pay Verizon for Transit Service that Navtel ReFlex originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a ReFlex Central Office, then ReFlex shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to ReFlex as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ReFlex Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At ReFlex shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's EMW’s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel EMW delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel EMW with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel EMW shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel EMW shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel EMW does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel EMW will pay a monthly “"Transit Service Billing Fee”", as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel EMW shall pay Verizon for Transit Service that Navtel EMW originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel EMW any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelEMW. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s EMW's Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, EMW Verizon shall continue to provide Tandem Transit Service to Navtel EMW (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizon.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's ▇▇▇▇▇▇▇'▇ network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ▇▇▇▇▇▇▇ delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ▇▇▇▇▇▇▇ with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ▇▇▇▇▇▇▇ shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel ▇▇▇▇▇▇▇ shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ▇▇▇▇▇▇▇ does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel ▇▇▇▇▇▇▇ will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel ▇▇▇▇▇▇▇ shall pay Verizon for Transit Service that Navtel ▇▇▇▇▇▇▇ originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel ▇▇▇▇▇▇▇ any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of Navtel▇▇▇▇▇▇▇. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s ▇’▇ Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel▇▇▇▇▇▇▇, Verizon shall continue to provide Tandem Transit Service to Navtel ▇▇▇▇▇▇▇ (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel ▇▇▇▇▇▇▇ shall pay Verizon

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's Alltel’s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Alltel delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Alltel with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Alltel shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Alltel shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILECILEC other than Verizon, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does not enter into and provide notice to . 12.5 Alltel shall pay Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the for Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel shall pay that Alltel obtains from Verizon for Transit Service that Navtel originates at the rate specified in the Pricing Attachment. Alltel shall also pay Verizon reserves the right to assess to Navtel any additional charges or costs the receiving terminating CLEC, ILECILEC other than Verizon, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment ; provided, however, such charges shall not exceed such other carriers’ applicable tariff charges; and provided further that, in the case of any terminating such charges (access imposed or otherwise) is levied upon Verizon by an ILEC other than Verizon whose End Office subtends the responsibility of Navtel.relevant Verizon Tandem, the foregoing obligation shall 12.6 Except as set forth in this Section 12.6, Verizon will not provide [Intentionally left blank.] 12.7 If Alltel uses Tandem Transit Traffic Service for Tandem Transit Traffic traffic volumes that exceed the CCS Centium Call Second busy hour equivalent of 200,000 combined minutes one (1) DS-1 and/or 500 Centium Call Seconds per average busy hour for two out of use three consecutive months to the subtending Central Office of a particular CLEC, ITCILEC other than Verizon, CMRS carrier or other LEC for any month (the “Threshold Level”). At , Alltel shall use good faith efforts to establish direct interconnection with such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds CLEC, ILEC other than Verizon, CMRS carrier or other LEC at the subtending Central Office and reduce such traffic volumes below the Threshold Level. 12.8 If either Party fails to comply with Section 12 of this Attachment, upon receipt such failure shall be a material breach of a material provision of this Agreement and the other Party may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.9 If or when a third party carrier plans to subtend a Alltel switch, then Alltel shall provide written notice to Verizon at least ninety (90) days before such subtending arrangement becomes effective so that Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from NavtelVerizon, Alltel shall offer to Verizon shall continue a service arrangement equivalent to provide or the same as Tandem Transit Service provided by Verizon to Navtel Alltel as defined in this Section 12 such that Verizon may terminate calls to a switch of a CLEC, ILEC other than Verizon, CMRS carrier, or other LEC, that subtends a Alltel Central Office (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition PeriodReciprocal Tandem Transit Service”). During the Transition Period, in addition to any Alltel shall offer such Reciprocal Transit Service arrangements under terms and all Tandem Transit Traffic rates and charges as conditions no less favorable than those provided in this Section 12.5 hereof12. 12.10 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal Telephone Exchange Service traffic exchange agreement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 74.1 As used in this Section 1274, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelSOUTHEAST's network, and is transported through a Verizon ALLTEL Tandem to the Central Office of a CLEC, ILEC other than VerizonALLTEL, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon ALLTEL Tandem to which Navtel SOUTHEAST delivers such traffic. Neither the originating nor terminating customer is a Customer of VerizonALLTEL. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 74.2 Tandem Transit Traffic Service provides Navtel SOUTHEAST with the transport of Tandem Transit Traffic as provided below. 12.3 74.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 64 through 6 of this Attachment68. Navtel SOUTHEAST shall deliver each Tandem Transit Traffic call to Verizon ALLTEL with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel 74.4 SOUTHEAST shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits VerizonALLTEL’s Tandem Office. If Navtel SOUTHEAST does not enter into and provide notice to Verizon ALLTEL of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “ALLTEL may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentSOUTHEAST. 12.5 Navtel 74.5 SOUTHEAST shall pay Verizon ALLTEL for Transit Service that Navtel SOUTHEAST originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon ALLTEL for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon 74.6 ALLTEL will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 74.7 If or when a third party carrier’s Central Office subtends a SOUTHEAST Central Office, then SOUTHEAST shall offer to ALLTEL a service arrangement equivalent to or the same as Tandem Transit Service provided by ALLTEL to SOUTHEAST as defined in this Section 74 such that ALLTEL may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a SOUTHEAST Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At SOUTHEAST shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 74. 74.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelIG2's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel IG2 delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel IG2 with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel IG2 shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel IG2 shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel IG2 does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentIG2. 12.5 Navtel IG2 shall pay Verizon for Transit Service that Navtel IG2 originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (the “Threshold Level”). At such time that 1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a ▇▇▇ ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds ▇ Office, then IG2 shall offer to Verizon a service arrangement equivalent to or the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide same as Tandem Transit Service provided by Verizon to Navtel IG2 as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ▇▇▇ ▇▇▇▇▇▇▇ Office (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition PeriodReciprocal Tandem Transit Service”). During the Transition Period, in addition to any IG2 shall offer such Reciprocal Transit Service arrangements under terms and all Tandem Transit Traffic rates and charges as conditions no less favorable than those provided in this Section 12.5 hereof12. 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelIntrado's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Intrado delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Intrado with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Intrado shall deliver each Tandem Transit Traffic call to Verizon with CCS Centium Call Second (Hundred Call Second) and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Intrado shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Intrado does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentIntrado. 12.5 Navtel Intrado shall pay Verizon for Transit Service that Navtel Intrado originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Intrado Central Office, then Intrado shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Intrado as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Intrado Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Intrado shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNTE's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel NTE delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel NTE with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel NTE shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel NTE shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel NTE does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentNTE. 12.5 Navtel NTE shall pay Verizon for Transit Service that Navtel NTE originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a NTE Central Office, then NTE shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to NTE as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a NTE Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At NTE shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelTNCI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel TNCI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel TNCI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel TNCI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel TNCI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel TNCI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel TNCI will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel TNCI shall pay Verizon for Transit Service that Navtel TNCI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel TNCI any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelTNCI. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇TNCI’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelTNCI, Verizon shall continue to provide Tandem Transit Service to Navtel TNCI (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel TNCI shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon TNCI’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, TNCI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that TNCI has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to TNCI, TNCI shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelDSLnet 's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel DSLnet delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel DSLnet with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel DSLnet shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel DSLnet shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel DSLnet does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel DSLnet will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel DSLnet shall pay Verizon for Transit Service that Navtel DSLnet originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel DSLnet any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelDSLnet. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇DSLnet’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelDSLnet, Verizon shall continue to provide Tandem Transit Service to Navtel DSLnet (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel DSLnet shall pay Verizon

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelDirect2Internet's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRSCRMS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Direct2Internet delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Direct2Internet with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Direct2Internet shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Direct2Internet shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Direct2Internet does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentDirect2Internet. 12.5 Navtel 11.5 Direct2Internet shall pay Verizon for Transit Service that Navtel Direct2Internet originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Direct2Internet Central Office, then Direct2Internet shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Direct2Internet as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Direct2Internet Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Direct2Internet shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelTech Com's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Tech Com delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Tech Com with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Tech Com shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel Tech Com shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffstariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Tech Com does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentTech Com. 12.5 Navtel Tech Com shall pay Verizon for Transit Service that Navtel Tech Com originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel.Verizon 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Tech Com Central Office, then Tech Com shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Tech Com as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Tech Com Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Tech Com shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's Denali’s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Denali delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Denali with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Denali shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Denali shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Denali does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel Denali will pay a monthly “"Transit Service Billing Fee”", as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel Denali shall pay Verizon for Transit Service that Navtel Denali originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel Denali any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelDenali. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s Denali's Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Denali Verizon shall continue to provide Tandem Transit Service to Navtel Denali (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel Denali shall pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelAPI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel API delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel API with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel API shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel API shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel API does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel API will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel API shall pay Verizon for Transit Service that Navtel API originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel API any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelAPI. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇API’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelAPI, Verizon shall continue to provide Tandem Transit Service to Navtel API (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizon.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelLightcore's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Lightcore delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Lightcore with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Lightcore shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Lightcore shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Lightcore does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel Lightcore will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel Lightcore shall pay Verizon for Transit Service that Navtel Lightcore originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel Lightcore any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelLightcore. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇Lightcore’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelLightcore, Verizon shall continue to provide Tandem Transit Service to Navtel Lightcore (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel Lightcore shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon ▇▇▇▇▇▇▇▇▇’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, Lightcore shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that Lightcore has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to Lightcore, Lightcore shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelVerizon Avenue's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Verizon Avenue delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Verizon Avenue with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Verizon Avenue shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Verizon Avenue shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service Servi ce traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Verizon Avenue does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentVerizon Avenue. 12.5 Navtel Verizon Avenue shall pay Verizon for Transit Service that Navtel Verizon Avenue originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Verizon Avenue Central Office, then Verizon Avenue shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Verizon Avenue as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Verizon Avenue Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Verizon Avenue shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelGNAPS's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel GNAPS delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel GNAPS with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 2222 through 6 of this Attachment6666. Navtel GNAPS shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel GNAPS shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel GNAPS does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentGNAPS. 12.5 Navtel GNAPS shall pay Verizon for Transit Service that Navtel GNAPS originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a GNAPS Central Office, then GNAPS shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to GNAPS as defined in this Section 12121212 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a GNAPS Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At GNAPS shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12121212. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelMarion's network, and is transported through a Verizon Verizon’s Tandem to the Central subtending End Office or its equivalent of a another carrier (CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel delivers such trafficLEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Verizon be required to transit traffic through a Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ▇▇▇▇▇▇ with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ▇▇▇▇▇▇ shall deliver each Tandem Transit Traffic call to Verizon Verizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel shall exercise its best efforts ▇▇▇▇▇▇ may use Tandem Transit Traffic Service only for traffic that originates on ▇▇▇▇▇▇’s network and only to enter into send traffic to an Other Carrier with whom ▇▇▇▇▇▇ has a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual Tariffstariffs) with any CLEC, ILEC, CMRS carrier, or other LECthat provides for the Other Carrier, to which it delivers Telephone Exchange Service terminate or complete traffic that transits originated by ▇▇▇▇▇▇ and to ▇▇▇▇ ▇▇▇▇▇▇, and not to bill Verizon, for such traffic. Marion agrees not to use ▇▇▇▇▇▇▇’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachmentto send traffic to an Other Carrier with whom ▇▇▇▇▇▇ does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on ▇▇▇▇▇▇’s network. 12.5 Navtel ▇▇▇▇▇▇ shall pay Verizon for Tandem Transit Traffic Service that Navtel originates at the rate rates specified in the Pricing Attachment. Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through Verizon’s Tandem and Verizon reserves the right to assess to Navtel Marion any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, any Other Carrier imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment If Verizon is billed by any Other Carrier for any traffic originated by ▇▇▇▇▇▇, Verizon may provide notice to ▇▇▇▇▇▇ of such billing. Upon receipt of such notice, ▇▇▇▇▇▇ shall immediately stop using Verizon’s Tandem Transit Traffic Service to send any terminating traffic to such Other Carrier until it has provided to Verizon certification that the Other Carrier has removed such billed charges (access from its bill to Verizon and that the Other Carrier will not bill Verizon for any traffic originated by ▇▇▇▇▇▇. Such certification must be signed by an authorized officer or otherwise) is agent of the responsibility of NavtelOther Carrier and must be in a form acceptable to Verizon. 12.6 Except as set forth in this Section 12.6, Verizon will not provide If Marion uses Tandem Transit Traffic Service for Tandem Transit Traffic traffic volumes that exceed the CCS Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular CLEC, ITC, CMRS carrier or other LEC Other Carrier for any month (the “Threshold Level”). At ▇▇▇▇▇▇ shall use good faith efforts to establish direct interconnection with such time that Other Carrier and reduce such traffic volumes below the Threshold Level. If ▇▇▇▇▇▇’s ▇ believes that Marion has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If ▇▇▇▇▇▇ fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend a ▇▇▇▇▇▇ switch, then ▇▇▇▇▇▇ shall provide written notice to Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from Verizon, Marion shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic exceeds the Threshold Level, upon receipt Service provided by Verizon to ▇▇▇▇▇▇ as defined in this Section such that Verizon may terminate calls to a Central Office or its equivalent of a written request from NavtelCLEC, Verizon shall continue to provide ILEC other than Verizon, CMRS carrier, or other LEC, that subtends a ▇▇▇▇▇▇ Central Office or its equivalent (“Reciprocal Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition PeriodService”). During the Transition Period, in addition ▇▇▇▇▇▇ shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to any and all Tandem Transit Traffic rates and charges as this Agreement or a separate agreement no less favorable than those provided in Section 12.5 hereofthis Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 As used in this Section 12Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelCitrix's network, and is transported through a Verizon Verizon’s Tandem to the Central subtending End Office or its equivalent of a another carrier (CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel delivers such trafficLEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Verizon be required to transit traffic through a Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Citrix with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Citrix shall deliver each Tandem Transit Traffic call to Verizon Verizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel shall exercise its best efforts Citrix may use Tandem Transit Traffic Service only for traffic that originates on Citrix’s network and only to enter into send traffic to an Other Carrier with whom Citrix has a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual Tariffstariffs) with any CLEC, ILEC, CMRS carrier, or other LECthat provides for the Other Carrier, to which it delivers Telephone Exchange Service terminate or complete traffic that transits originated by Citrix and to ▇▇▇▇ Citrix, and not to ▇▇▇▇ Verizon, for such traffic. Citrix agrees not to use Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachmentto send traffic to an Other Carrier with whom Citrix does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on Citrix’s network. 12.5 Navtel Citrix shall pay Verizon for Tandem Transit Traffic Service that Navtel originates at the rate rates specified in the Pricing Attachment. Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through Verizon’s Tandem and Verizon reserves the right to assess to Navtel Citrix any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, any Other Carrier imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment If Verizon is billed by any Other Carrier for any traffic originated by Citrix, Verizon may provide notice to Citrix of such billing. Upon receipt of such notice, Citrix shall immediately stop using Verizon’s Tandem Transit Traffic Service to send any terminating traffic to such Other Carrier until it has provided to Verizon certification that the Other Carrier has removed such billed charges (access from its ▇▇▇▇ to Verizon and that the Other Carrier will not ▇▇▇▇ Verizon for any traffic originated by Citrix. Such certification must be signed by an authorized officer or otherwise) is agent of the responsibility of NavtelOther Carrier and must be in a form acceptable to Verizon. 12.6 Except as set forth in this Section 12.6, Verizon will not provide If Citrix uses Tandem Transit Traffic Service for Tandem Transit Traffic traffic volumes that exceed the CCS Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular CLEC, ITC, CMRS carrier or other LEC Other Carrier for any month (the “Threshold Level”). At Citrix shall use good faith efforts to establish direct interconnection with such time Other Carrier and reduce such traffic volumes below the Threshold Level. If Verizon believes that ▇▇▇▇▇▇’s Citrix has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If Citrix fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend a Citrix switch, then Citrix shall provide written notice to Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from Verizon, Citrix shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic exceeds the Threshold Level, upon receipt Service provided by Verizon to Citrix as defined in this Section such that Verizon may terminate calls to a Central Office or its equivalent of a written request from NavtelCLEC, Verizon shall continue to provide ILEC other than Verizon, CMRS carrier, or other LEC, that subtends a Citrix Central Office or its equivalent (“Reciprocal Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition PeriodService”). During the Transition Period, in addition Citrix shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to any and all Tandem Transit Traffic rates and charges as this Agreement or a separate agreement no less favorable than those provided in Section 12.5 hereofthis Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelDMJ's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel DMJ delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel DMJ with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel DMJ shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel DMJ shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel DMJ does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentDMJ. 12.5 Navtel DMJ shall pay Verizon for Transit Service that Navtel DMJ originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a DMJ Central Office, then DMJ shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to DMJ as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a DMJ Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At DMJ shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelBuckeye's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Buckeye delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Buckeye with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Buckeye shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Buckeye shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Buckeye does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentBuckeye. 12.5 Navtel Buckeye shall pay Verizon for Transit Service that Navtel Buckeye originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Buckeye Central Office, then Buckeye shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Buckeye as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Buckeye Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Buckeye shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12Section, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's ▇▇▇'▇ network, and is transported through a Verizon Verizon’s Tandem to the Central subtending End Office or its equivalent of a another carrier (CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel delivers such trafficLEC (“Other Carrier”). Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central End Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). For the avoidance of any doubt, under no circumstances shall Verizon be required to transit traffic through a Verizon Tandem to a Central Office that the LERG does not identify as subtending that particular Verizon Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ▇▇▇ with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ▇▇▇ shall deliver each Tandem Transit Traffic call to Verizon Verizon’s Tandem with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel shall exercise its best efforts ▇▇▇ may use Tandem Transit Traffic Service only for traffic that originates on ▇▇▇’▇ network and only to enter into send traffic to an Other Carrier with whom ▇▇▇ has a reciprocal Telephone Exchange Service traffic exchange arrangement (either via written agreement or mutual Tariffstariffs) with any CLEC, ILEC, CMRS carrier, or other LECthat provides for the Other Carrier, to which it delivers Telephone Exchange Service terminate or complete traffic that transits originated by ▇▇▇ and to ▇▇▇▇ ▇▇▇, and not to ▇▇▇▇ Verizon, for such traffic. ▇▇▇ agrees not to use Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachmentto send traffic to an Other Carrier with whom ▇▇▇ does not have such a reciprocal traffic exchange arrangement or to send traffic that does not originate on ▇▇▇’▇ network. 12.5 Navtel ▇▇▇ shall pay Verizon for Tandem Transit Traffic Service that Navtel originates at the rate rates specified in the Pricing Attachment. Verizon will not be liable for compensation to any Other Carrier for any traffic that is transported through Verizon’s Tandem and Verizon reserves the right to assess to Navtel ▇▇▇ any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, any Other Carrier imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment If Verizon is billed by any Other Carrier for any traffic originated by ▇▇▇, Verizon may provide notice to ▇▇▇ of such billing. Upon receipt of such notice, ▇▇▇ shall immediately stop using Verizon’s Tandem Transit Traffic Service to send any terminating traffic to such Other Carrier until it has provided to Verizon certification that the Other Carrier has removed such billed charges (access from its ▇▇▇▇ to Verizon and that the Other Carrier will not ▇▇▇▇ Verizon for any traffic originated by ▇▇▇. Such certification must be signed by an authorized officer or otherwise) is agent of the responsibility of NavtelOther Carrier and must be in a form acceptable to Verizon. 12.6 Except as set forth in this Section 12.6, Verizon will not provide If ▇▇▇ uses Tandem Transit Traffic Service for Tandem Transit Traffic traffic volumes that exceed the CCS Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular CLEC, ITC, CMRS carrier or other LEC Other Carrier for any month (the “Threshold Level”). At ▇▇▇ shall use good faith efforts to establish direct interconnection with such time Other Carrier and reduce such traffic volumes below the Threshold Level. If Verizon believes that ▇▇▇ has not exercised good faith efforts promptly to obtain such direct interconnection, either Party may use the Dispute Resolution processes of this Agreement. 12.7 If ▇▇▇ fails to comply with Section 12 of this Attachment, such failure shall be a material breach of a material provision of this Agreement and Verizon may exercise any and all remedies under this Agreement and Applicable Law for such breach. 12.8 If or when a third party carrier plans to subtend a ▇▇’s ▇ switch, then ▇▇▇ shall provide written notice to Verizon at least ninety (90) days before such subtending service arrangement becomes effective so that Verizon may negotiate and establish direct interconnection with such third party carrier. Upon written request from Verizon, ▇▇▇ shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic exceeds the Threshold Level, upon receipt Service provided by Verizon to ▇▇▇ as defined in this Section such that Verizon may terminate calls to a Central Office or its equivalent of a written request from NavtelCLEC, Verizon shall continue to provide ILEC other than Verizon, CMRS carrier, or other LEC, that subtends a ▇▇▇ Central Office or its equivalent (“Reciprocal Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition PeriodService”). During the Transition Period, in addition ▇▇▇ shall offer such Reciprocal Transit Service arrangements under terms and conditions of an amendment to any and all Tandem Transit Traffic rates and charges as this Agreement or a separate agreement no less favorable than those provided in Section 12.5 hereofthis Section. 12.9 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange arrangement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelFRCI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel FRCI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel FRCI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel FRCI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel FRCI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does An industry standard EMI Category 11 record will be provided to the terminating carrier for CLEC transiting usage and upon request a Cellular Transiting Usage Summary Report (CTUSR) will be provided to the terminating carrier for CMRS transiting usage. 12.5 Verizon will not enter into provide Tandem Transit Traffic Service for Tandem Transit Traffic to be delivered to a CLEC, ILEC, CMRS carrier, or other LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls for any three (3) months in any consecutive six (6) month period or for any consecutive three (3) months (the "Threshold Level"). At such time that IRCA Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from IRCA, Verizon shall continue to provide Tandem Transit Service to IRCA (for the carrier in respect of which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the "Transition Period"). During the Transition Period, in addition to any and provide notice to all Tandem Transit Traffic rates and charges as provided in the Pricing Attachment hereof, IRCA shall pay Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay (a) a monthly “"Transit Service Billing Fee”Trunking Charge" for each subject carrier, as set forth in the Pricing AttachmentAttachment hereto. At the end of the Transition Period, Verizon may, in addition to the its sole discretion, terminate Tandem Transit Traffic Service charges to IRCA with respect to the subject third party carrier, provided however, that if IRCA has (i) exercised its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement with such subject carrier; and (ii) through no fault of IRCA such subject carrier has failed to enter into such an arrangement; and (iii) immediately upon the conclusion of the Transition Period, IRCA files a petition with the Commission (with a copy provided to Verizon on the same date) to establish reciprocal Telephone Exchange Service traffic arrangements with the subject third party carrier, then Verizon will not terminate the Transit Traffic Service until the Commission has ruled on such petition. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to IRCA, IRCA shall pay Verizon (a) a monthly "Transit Service Trunking Charge" for each subject carrier, as set forth in the Pricing Attachmentpricing attachment. 12.5 Navtel 12.6 FRCI shall pay Verizon for Tandem Transit Traffic Service that Navtel FRCI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except 12.7 If or when a third party carrier’s Central Office subtends a FRCI Central Office, then FRCI shall offer to Verizon a service arrangement equivalent to or the same as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for provided by Verizon to FRCI as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a FRCI Central Office (“Reciprocal Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold LevelService”). At FRCI shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNUI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel NUI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel NUI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel NUI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel NUI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel NUI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentNUI. 12.5 Navtel NUI shall pay Verizon for Transit Service that Navtel NUI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a NUI Central Office, then NUI shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to NUI as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a NUI Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At NUI shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 1215, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPac-West's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Pac-West delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 . Tandem Transit Traffic Service provides Navtel Pac-West with the transport of Tandem Transit Traffic as provided below. 12.3 . Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Pac-West shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“"TCAP”") message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel . Pac-West shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) interconnect with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers exchanges Telephone Exchange Service traffic that transits Verizon’s 's Tandem OfficeOffice when such traffic volume reaches three DS-1s. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel Pac-West shall pay Verizon for Transit Service that Navtel Pac-West originates at the rate specified in the Pricing Attachment. If or when a third party carrier's Central Office subtends a Pac-West Central Office, then Pac-West shall offer to Verizon reserves a service arrangement equivalent to or the right same as Tandem Transit Service provided by Verizon to assess Pac-West as defined in this Section 15 such that Verizon may terminate calls to Navtel any additional charges or costs the receiving a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, imposes that subtends a Pac-West Central Office ("Reciprocal Tandem Transit Service"). Pac-West shall offer such Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 15. Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier to which it originates, or levies on Verizon for from which it terminates, traffic. Nothing in this Agreement shall be construed to limit or otherwise adversely affect in any manner either Party's right to employ or to request and be assigned any Central Office Codes ("NXX") pursuant to the delivery Central Office Code Assignment Guidelines and any relevant FCC or termination of such trafficCommission orders, including any Switched Exchange Access Service charges. Payment of any terminating charges (access as may be amended from time to time, or to establish, by Tariff or otherwise) is , Rate Center Areas and Routing Points corresponding to such NXX codes. It shall be the responsibility of Navtel. 12.6 each Party to program and update its own switches and network systems pursuant to information provided on ASRs as well as the LERG in order to recognize and route traffic to the other Party's assigned NXX codes. Except as expressly set forth in this Section 12.6Agreement, Verizon neither Party shall impose any fees or charges whatsoever on the other Party for such activities. Unless otherwise required by Commission order, the Rate Center Areas will not provide Tandem Transit Traffic Service be the same for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”)each Party. During the Transition Periodterm of this Agreement, Pac-West shall adopt the Rate Center Area and Rate Center Points that the Commission has approved for Verizon within the LATA and Tandem serving area. Pac-West shall assign whole NPA-NXX codes to each Rate Center Area unless otherwise ordered by the FCC, the Commission or another governmental entity of appropriate jurisdiction, or the LEC industry adopts alternative methods of utilizing NXXs. Pac-West will also designate a Routing Point for each assigned NXX code. Pac-West shall designate one location for each Rate Center Area in addition which the Pac-West has established NXX code(s) as the Routing Point for the NPA-NXXs associated with that Rate Center Area, and such Routing Point shall be within the same LATA as the Rate Center Area but not necessarily within the Rate Center Area itself. Unless specified otherwise, calls to subsequent NXXs of Pac-West will be routed in accordance with the LERG. Notwithstanding anything to the contrary contained herein, nothing in this Agreement is intended, and nothing in this Agreement shall be construed, to in any way constrain Pac-West's choices regarding the size of the local calling area(s) that Pac-West may establish for its Customers, which local calling areas may be larger than, smaller than, or identical to Verizon's local calling areas. Upon request of either Party, the Parties shall jointly develop an implementation and grooming process (the "Joint Grooming Process" or "Joint Process") which may define and detail, inter alia: standards to ensure that Interconnection Trunks experience a grade of service, availability and quality which is comparable to that achieved on interoffice trunks within Verizon's network and in accord with all Tandem Transit Traffic rates appropriate relevant industry-accepted quality, reliability and charges availability standards. Except as otherwise stated in this Agreement, trunks provided by either Party for Interconnection services will be engineered using a design-blocking objective of B.01. the respective duties and responsibilities of the Parties with respect to the sizing, administration operation and maintenance of the trunk groups, including, but not limited to, standards and procedures for notification and discoveries of trunk disconnects; disaster recovery provision escalations; additional technically feasible POI(s) on Verizon's network in a LATA as provided in Section 12.5 hereof2; and such other matters as the Parties may agree, Navtel shall pay Verizonincluding, e.g., End Office to End Office high usage trunks as good engineering practices may dictate.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelBudget Phone's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Budget Phone delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Budget Phone with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Budget Phone shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Budget Phone shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Budget Phone does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentBudget Phone. 12.5 Navtel Budget Phone shall pay Verizon for Transit Service that Navtel Budget Phone originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Budget Phone Central Office, then Budget Phone shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Budget Phone as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Budget Phone Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Budget Phone shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelCCA's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel CCA delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel CCA with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel CCA shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel CCA shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel CCA does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel CCA will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel CCA shall pay Verizon for Transit Service that Navtel CCA originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel CCA any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelCCA. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇CCA’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelCCA, Verizon shall continue to provide Tandem Transit Service to Navtel CCA (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel CCA shall pay VerizonVerizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon CCA’s receipt of ▇▇▇▇▇▇▇’s notice that the Threshold Level has been reached with respect to a specific carrier, CCA shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that CCA has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to CCA, CCA shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's MPCS’s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel MPCS delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel MPCS with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel MPCS shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel MPCS shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel MPCS does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel MPCS will pay a monthly “"Transit Service Billing Fee”", as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel MPCS shall pay Verizon for Transit Service that Navtel MPCS originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel MPCS any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelMPCS. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s MPCS's Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, MPCS Verizon shall continue to provide Tandem Transit Service to Navtel MPCS (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel MPCS shall pay Verizon

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelVelocity's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Velocity delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Velocity with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Velocity shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Velocity shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Velocity does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentVelocity. 12.5 Navtel 11.5 Velocity shall pay Verizon for Transit Service that Navtel Velocity originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Velocity Central Office, then Velocity shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Velocity as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Velocity Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Velocity shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNL's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel NL delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel NL with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel NL shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel NL shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel NL does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel NL will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel NL shall pay Verizon for Transit Service that Navtel NL originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel NL any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelNL. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇NL’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelNL, Verizon shall continue to provide Tandem Transit Service to Navtel NL (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel NL shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon NL’s receipt of ▇▇▇▇▇▇▇’s notice that the Threshold Level has been reached with respect to a specific carrier, NL shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that NL has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to NL, NL shall continue to pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelCCI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel CCI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel CCI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel CCI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel CCI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel CCI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel CCI will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel CCI shall pay Verizon for Transit Service that Navtel CCI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel CCI any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelCCI. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇CCI’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelCCI, Verizon shall continue to provide Tandem Transit Service to Navtel CCI (for the carrier in respect to which the Threshold Th reshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizon.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelBitWise's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel BitWise delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel BitWise with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel BitWise shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 BitWise shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel BitWise does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentBitWise. 12.5 Navtel 11.5 BitWise shall pay Verizon for Transit Service that Navtel BitWise originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a BitWise Central Office, then BitWise shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to BitWise as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a BitWise Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At BitWise shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelTalk Unlimited's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Talk Unlimited delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic.as 12.2 Tandem Transit Traffic Service provides Navtel Talk Unlimited with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Talk Unlimited shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Talk Unlimited shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Talk Unlimited does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentTalk Unlimited. 12.5 Navtel Talk Unlimited shall pay Verizon for Transit Service that Navtel Talk Unlimited originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Talk Unlimited Central Office, then Talk Unlimited shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Talk Unlimited as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Talk Unlimited Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Talk Unlimited shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's ▇▇▇▇▇▇▇▇'▇ network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ▇▇▇▇▇▇▇▇ delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ▇▇▇▇▇▇▇▇ with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ▇▇▇▇▇▇▇▇ shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel ▇▇▇▇▇▇▇▇ shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ▇▇▇▇▇▇▇▇ does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel ▇▇▇▇▇▇▇▇ will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel ▇▇▇▇▇▇▇▇ shall pay Verizon for Transit Service that Navtel ▇▇▇▇▇▇▇▇ originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel ▇▇▇▇▇▇▇▇ any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of Navtel▇▇▇▇▇▇▇▇. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s ▇▇’▇ Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel▇▇▇▇▇▇▇▇, Verizon shall continue to provide Tandem Transit Service to Navtel ▇▇▇▇▇▇▇▇ (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel ▇▇▇▇▇▇▇▇ shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon ▇▇▇▇▇▇▇▇’▇ receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, ▇▇▇▇▇▇▇▇ shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that ▇▇▇▇▇▇▇▇ has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to ▇▇▇▇▇▇▇▇, ▇▇▇▇▇▇▇▇ shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNLG's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC ILE C other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel NLG delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel NLG with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel NLG shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel NLG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel NLG does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel NLG will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel NLG shall pay Verizon for Transit Service that Navtel NLG originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel NLG any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelNLG. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇NLG’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelNLG, Verizon shall continue to provide Tandem Transit Service to Navtel NLG (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel NLG shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon NLG’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, NLG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that NLG has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to NLG, NLG shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelAdvent's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Advent delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Advent with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Advent shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Advent shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Advent does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel Advent will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel Advent shall pay Verizon for Transit Service that Navtel Advent originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel Advent any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of Navtel.Advent.‌ 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇Advent’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelAdvent, Verizon shall continue to provide Tandem Transit Service to Navtel Advent (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel Advent shall pay VerizonVerizon‌

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNationNet's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel NationNet delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel NationNet with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel NationNet shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel NationNet shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel NationNet does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentNationNet. 12.5 Navtel NationNet shall pay Verizon for Transit Service that Navtel NationNet originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a NationNet Central Office, then NationNet shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to NationNet as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a NationNet Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At NationNet shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelRACC's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel RACC delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel RACC with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel RACC shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel RACC shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel RACC does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentRACC. 12.5 Navtel RACC shall pay Verizon for Transit Service that Navtel RACC originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a RACC Central Office, then RACC shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to RACC as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a RACC Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At RACC shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelBudget Phone's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Budget Phone delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Budget Phone with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Budget Phone shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Budget Phone shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Budget Phone does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentBudget Phone. 12.5 Navtel Budget Phone shall pay Verizon for Transit Service that Navtel Budget Phone originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Budget Phone Central Office, then Budget Phone shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Budget Phone as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Budget Phone Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Budget Phone shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelGNAPs's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel GNAPs delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel GNAPs with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel GNAPs shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel GNAPs shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel GNAPs does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentGNAPs. 12.5 Navtel GNAPs shall pay Verizon for Transit Service that Navtel GNAPs originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a GNAPs Central Office, then GNAPs shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to GNAPs as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a GNAPs Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At GNAPs shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelDelta Phones's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Delta Phones delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Delta Phones with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Delta Phones shall deliver each Tandem Transit Traffic call to Verizon with CCS Centium Call Second (Hundred Call Second) and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Delta Phones shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Delta Phones does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentDelta Phones. 12.5 Navtel Delta Phones shall pay Verizon for Transit Service that Navtel Delta Phones originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Delta Phones Central Office, then Delta Phones shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Delta Phones as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Delta Phones Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Delta Phones shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelECSI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ECSI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ECSI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel ECSI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel ECSI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does An industry standard EMI Category 11 record will be provided to the terminating carrier for CLEC transiting usage and upon request a Cellular Transiting Usage Summary Report (CTUSR) will be provided to the terminating carrier for CMRS transiting usage. 12.5 Verizon will not enter into provide Tandem Transit Traffic Service for Tandem Transit Traffic to be delivered to a CLEC, ILEC, CMRS carrier, or other LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls for any three (3) months in any consecutive six (6) month period or for any consecutive three (3) months (the "Threshold Level"). At such time that IRCA Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from IRCA, Verizon shall continue to provide Tandem Transit Service to IRCA (for the carrier in respect of which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the "Transition Period"). During the Transition Period, in addition to any and provide notice to all Tandem Transit Traffic rates and charges as provided in the Pricing Attachment hereof, IRCA shall pay Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay (a) a monthly “"Transit Service Billing Fee”Trunking Charge" for each subject carrier, as set forth in the Pricing AttachmentAttachment hereto. At the end of the Transition Period, Verizon may, in addition to the its sole discretion, terminate Tandem Transit Traffic Service charges to IRCA with respect to the subject third party carrier, provided however, that if IRCA has (i) exercised its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement with such subject carrier; and (ii) through no fault of IRCA such subject carrier has failed to enter into such an arrangement; and (iii) immediately upon the conclusion of the Transition Period, IRCA files a petition with the Commission (with a copy provided to Verizon on the same date) to establish reciprocal Telephone Exchange Service traffic arrangements with the subject third party carrier, then Verizon will not terminate the Transit Traffic Service until the Commission has ruled on such petition. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to IRCA, IRCA shall pay Verizon (a) a monthly "Transit Service Trunking Charge" for each subject carrier, as set forth in the Pricing Attachmentpricing attachment. 12.5 Navtel 12.6 ECSI shall pay Verizon for Tandem Transit Traffic Service that Navtel ECSI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except 12.7 If or when a third party carrier’s Central Office subtends a ECSI Central Office, then ECSI shall offer to Verizon a service arrangement equivalent to or the same as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for provided by Verizon to ECSI as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ECSI Central Office (“Reciprocal Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold LevelService”). At ECSI shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelCiera's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Ciera delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Ciera with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Ciera shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Ciera shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Ciera does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentCiera. 12.5 Navtel Ciera shall pay Verizon for Transit Service that Navtel Ciera originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Ciera Central Office, then Ciera shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Ciera as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Ciera Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Ciera shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 9.1 As used in this Section 12Section, Tandem Transit Traffic is Telephone Exchange Service traffic that either originates or terminates on NavtelLevel 3's network, and is transported through a Verizon Consolidated’s Tandem to the Central subtending End Office or its equivalent of a CLECanother carrier (Level 3, ILEC other than VerizonConsolidated, Commercial Mobile Radio Service (CMRS) carrier, or other LECLEC (“Other Carrier”), that subtends the relevant Verizon Tandem to which Navtel delivers such traffic. Neither when neither the originating nor terminating customer is a Customer of VerizonConsolidated. Subtending For the avoidance of any doubt, under no circumstances shall Consolidated be required to transit traffic through a Consolidated Tandem to a Central Offices shall be determined in accordance with and Office that the LERG does not identify as identified in the Local Exchange Routing Guide (LERG)subtending that particular Consolidated Tandem. Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 9.2 Tandem Transit Traffic Service provides Navtel Level 3 with the transport of Tandem Transit Traffic as provided below. 12.3 9.3 Level 3 may use Tandem Transit Traffic may be routed over Service only for traffic that originates from Level 3’s network and only to send traffic to another Carrier. Level 3 agrees it is solely responsible for intercarrier compensation due to the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel terminating Other Carrier. 9.4 Level 3 shall deliver each pay Consolidated for Tandem Transit Traffic call to Verizon with CCS and that it originates at the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth rates specified in the Pricing Attachment, in addition Schedule I. Consolidated will not be liable for compensation to the any Other Carrier for traffic originated by Level 3 that is transported through Consolidated’s Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel shall pay Verizon for Transit Service that Navtel originates at the rate specified in the Pricing Attachment. Verizon and Consolidated reserves the right to assess to Navtel Level 3 any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, any Other Carrier imposes or levies on Verizon Consolidated for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment In the event that Consolidated is billed and pays charges imposed by any Other Carrier for traffic originated by Level 3, Level 3 shall reimburse Consolidated. Upon request by Level 3, Consolidated shall provide billing data adequate to validate such charges and payments. Notwithstanding the foregoing, Consolidated shall make commercially reasonable efforts to avoid accepting such charges from an Other Carrier, either under a contractual arrangement or otherwise and Consolidated shall provide notice to Level 3 upon discovery of any such billing from an Other Carrier. Upon receipt of such notice, Level 3 shall immediately take commercially reasonable steps to have the Other Carrier remove previously billed charges and to not bill Consolidated for terminating charges (access or otherwise) is the responsibility of Navteltraffic originated by Level 3. 12.6 Except as set forth in this Section 12.6, Verizon will not provide 9.5 If Level 3 uses Tandem Transit Traffic Service for Tandem Transit Traffic traffic volumes that exceed the CCS Centum Call Seconds (Hundred Call Seconds) busy hour equivalent of 200,000 combined minutes of use per month (a DS1 equivalent) to the subtending End Office of a particular CLEC, ITC, CMRS carrier or other LEC Other Carrier for any month (the “Threshold Levellevel”). At Level 3 shall use good faith efforts to establish direct interconnection with such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds Other Carrier and reduce such traffic volumes below the Threshold Levellevel. If Consolidated believes that Level 3 has not exercised good faith efforts promptly to obtain such direct interconnection, upon receipt either Party may use the Dispute Resolution processes of this Agreement. 9.6 Neither Party shall take any actions to prevent the other Party from entering into a written request from Navtel, Verizon shall continue to provide Tandem Transit Service to Navtel (for the direct and reciprocal traffic exchange arrangement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelAccess Point's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Access Point delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Access Point with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Access Point shall deliver each Tandem Transit Traffic call to Verizon with CCS Centium Call Second (Hundred Call Second) and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Access Point shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Access Point does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentAccess Point. 12.5 Navtel Access Point shall pay Verizon for Transit Service that Navtel Access Point originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel.charges.‌ 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Access Point Central Office, then Access Point shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Access Point as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Access Point Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Access Point shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelWinco's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Winco delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Winco with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Winco shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Winco shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Winco does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentWinco. 12.5 Navtel Winco shall pay Verizon for Transit Service that Navtel Winco originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Winco Central Office, then Winco shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Winco as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Winco Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Winco shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelICG's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ICG delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ICG with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel ICG shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel ICG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment., 12.5 Navtel ICG shall pay Verizon for Transit Service that Navtel ICG originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month (LEC, if the “Threshold Level”). At such time that ▇▇▇▇▇▇’s volume of Tandem Transit Traffic to be delivered to that carrier exceeds the Threshold Level, upon receipt one (1) DS1 level volume of a written request from Navtel, calls for two (2) consecutive months. Verizon shall continue to provide Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to will give ICG sixty (60) days after advance written notice of its intent to terminate provision of Tandem Transit Traffic Service pursuant to the date upon which preceding sentence. 12.7 If or when a third party carrier’s Central Office subtends a ICG Central Office, then ICG shall offer to Verizon a service arrangement equivalent to or the Threshold Level was reached for the subject carrier same as Tandem Transit Service provided by Verizon to ICG as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ICG Central Office (the “Transition PeriodReciprocal Tandem Transit Service”). During the Transition Period, in addition to any ICG shall offer such Reciprocal Transit Service arrangements under terms and all Tandem Transit Traffic rates and charges as conditions no less favorable than those provided in this Section 12.5 hereof12. 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNorth Atlantic's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel North Atlantic delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel North Atlantic with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel North Atlantic shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel North Atlantic shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel North Atlantic does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel North Atlantic will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel North Atlantic shall pay Verizon for Transit Service that Navtel North Atlantic originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel North Atlantic any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelNorth Atlantic. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇North Atlantic’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelNorth Atlantic, Verizon shall continue to provide Tandem Transit Service to Navtel North Atlantic (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel North Atlantic shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon North Atlantic’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, North Atlantic shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that North Atlantic has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to North Atlantic, North Atlantic shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelInterGlobe's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel InterGlobe delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel InterGlobe with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel InterGlobe shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel InterGlobe shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel InterGlobe does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel InterGlobe will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel InterGlobe shall pay Verizon for Transit Service that Navtel InterGlobe originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel InterGlobe any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelInterGlobe. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇InterGlobe’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelInterGlobe, Verizon shall continue to provide Tandem Transit Service to Navtel InterGlobe (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel InterGlobe shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon InterGlobe’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, InterGlobe shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that InterGlobe has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to InterGlobe, InterGlobe shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelProspeed's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Prospeed delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Prospeed with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Prospeed shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Prospeed shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Prospeed does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel Prospeed will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel Prospeed shall pay Verizon for Transit Service that Navtel Prospeed originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel Prospeed any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelProspeed. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇Prospeed’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelProspeed, Verizon shall continue to provide Tandem Transit Service to Navtel Prospeed (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel Prospeed shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon Prospeed’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, Prospeed shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that Prospeed has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to Prospeed, Prospeed shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelIG2's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel IG2 delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel IG2 with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel IG2 shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel IG2 shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel IG2 does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentIG2. 12.5 Navtel IG2 shall pay Verizon for Transit Service that Navtel IG2 originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (the “Threshold Level”). At such time that 1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a ▇▇▇ ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds ▇ Office, then IG2 shall offer to Verizon a service arrangement equivalent to or the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide same as Tandem Transit Service provided by Verizon to Navtel IG2 as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ▇▇▇ ▇▇▇▇▇▇▇ Office (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition PeriodReciprocal Tandem Transit Service”). During the Transition Period, in addition to any IG2 shall offer such Reciprocal Transit Service arrangements under terms and all Tandem Transit Traffic rates and charges as conditions no less favorable than those provided in this Section 12.5 hereof12.‌‌‌‌‌‌‌‌‌‌‌ 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPremiere's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Premiere delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Premiere with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Premiere shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Premiere shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment.If 12.5 Navtel 11.5 Premiere shall pay Verizon for Transit Service that Navtel Premiere originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Premiere Central Office, then Premiere shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Premiere as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Premiere Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Premiere shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPCS's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel PCS delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel PCS with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel PCS shall deliver each Tandem Transit Traffic call to Verizon with CCS Centium Call Second (Hundred Call Second) and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel PCS shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel PCS does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentPCS. 12.5 Navtel PCS shall pay Verizon for Transit Service that Navtel PCS originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a PCS Central Office, then PCS shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to PCS as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a PCS Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At PCS shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelHello Depot's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Hello Depot delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Hello Depot with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Hello Depot shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Hello Depot shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Hello Depot does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel Hello Depot will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel Hello Depot shall pay Verizon for Transit Service that Navtel Hello Depot originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel Hello Depot any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelHello Depot. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇Hello Depot’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelHello Depot, Verizon shall continue to provide Tandem Transit Service to Navtel Hello Depot (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel Hello Depot shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon Hello Depot’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, Hello Depot shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that Hello Depot has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to Hello Depot, Hello Depot shall continue to pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelAccess Point's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Access Point delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Access Point with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Access Point shall deliver each Tandem Transit Traffic call to Verizon with CCS Centium Call Second (Hundred Call Second) and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Access Point shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Access Point does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentAccess Point. 12.5 Navtel Access Point shall pay Verizon for Transit Service that Navtel Access Point originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Access Point Central Office, then Access Point shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Access Point as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Access Point Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Access Point shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelOneStar's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel OneStar delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel OneStar with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel OneStar shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel OneStar shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel OneStar does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentOneStar. 12.5 Navtel OneStar shall pay Verizon for Transit Service that Navtel OneStar originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel.charges.‌‌‌‌‌‌‌‌‌‌ 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a OneStar Central Office, then OneStar shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to OneStar as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a OneStar Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At OneStar shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPW's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel PW delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel PW with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel PW shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel PW shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel PW does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel PW will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel PW shall pay Verizon for Transit Service that Navtel PW originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel PW any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelPW. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇PW’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelPW, Verizon shall continue to provide Tandem Transit Service to Navtel PW (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel PW shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon PW’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, PW shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that PW has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to PW, PW shall continue to pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelICG's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ICG delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ICG with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel ICG shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel ICG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ICG does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentICG. 12.5 Navtel ICG shall pay Verizon for Transit Service that Navtel ICG originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month (LEC, if the “Threshold Level”). At such time that ▇▇▇▇▇▇’s volume of Tandem Transit Traffic to be delivered to that carrier exceeds the Threshold Level, upon receipt one (1) DS1 level volume of a written request from Navtel, calls for two (2) consecutive months. Verizon shall continue to provide Tandem Transit Service to Navtel (for the carrier in respect to which the Threshold Level has been reached) for a period equal to will give ICG sixty (60) days after advance written notice of its intent to terminate provision of Tandem Transit Traffic Service pursuant to the date upon which preceding sentence.‌‌‌‌‌‌‌‌‌ 12.7 If or when a third party carrier’s Central Office subtends a ICG Central Office, then ICG shall offer to Verizon a service arrangement equivalent to or the Threshold Level was reached for the subject carrier same as Tandem Transit Service provided by Verizon to ICG as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ICG Central Office (the “Transition PeriodReciprocal Tandem Transit Service”). During the Transition Period, in addition to any ICG shall offer such Reciprocal Transit Service arrangements under terms and all Tandem Transit Traffic rates and charges as conditions no less favorable than those provided in this Section 12.5 hereof12. 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNorcom's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Norcom delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Norcom with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Norcom shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Norcom shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Norcom does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentNorcom. 12.5 Navtel 11.5 Norcom shall pay Verizon for Transit Service that Navtel Norcom originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLECCLE C, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Norcom Central Office, then Norcom shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Norcom as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Norcom Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Norcom shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelRVP's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel RVP delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel RVP with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel RVP shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel RVP shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel RVP does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentRVP. 12.5 Navtel RVP shall pay Verizon for Transit Service that Navtel RVP originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a RVP Central Office, then RVP shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to RVP as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a RVP Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At RVP shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel▇▇▇▇ Telecom's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ▇▇▇▇ Telecom delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ▇▇▇▇ Telecom with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel ▇▇▇▇ Telecom shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel ▇▇▇▇ Telecom shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ▇▇▇▇ Telecom does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment▇▇▇▇ Telecom. 12.5 Navtel ▇▇▇▇ Telecom shall pay Verizon for Transit Service that Navtel ▇▇▇▇ Telecom originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a ▇▇▇▇ Telecom Central Office, then ▇▇▇▇ Telecom shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to ▇▇▇▇ Telecom as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ▇▇▇▇ Telecom Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon ▇ Telecom shall continue to provide Tandem offer such Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelBTI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel BTI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel BTI with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel BTI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 BTI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel 11.5 BTI shall pay Verizon for Transit Service that Navtel BTI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a BTI Central Office, then BTI shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to BTI as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC , CMRS carrier, or other LEC, that subtends a BTI Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At BTI shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelExcel's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Excel delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Excel with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Excel shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Excel shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Excel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentExcel. 12.5 Navtel Excel shall pay Verizon for Transit Service that Navtel Excel originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Excel Central Office, then Excel shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Excel as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Excel Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Excel shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelECI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ECI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ECI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ECI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel ECI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ECI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel ECI will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel ECI shall pay Verizon for Transit Service that Navtel ECI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel ECI any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelECI. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇ECI’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelECI, Verizon shall continue to provide Tandem Transit Service to Navtel ECI (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel ECI shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon ECI’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, ECI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that ECI has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to ECI, ECI shall continue to pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelMcGraw's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ▇▇▇▇▇▇ delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel McGraw with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ▇▇▇▇▇▇ shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel McGraw shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ▇▇▇▇▇▇ does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel ▇▇▇▇▇▇ will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel McGraw shall pay Verizon for Transit Service that Navtel McGraw originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel McGraw any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel▇▇▇▇▇▇. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s ’▇ Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel▇▇▇▇▇▇, Verizon shall continue to provide Tandem Transit Service to Navtel McGraw (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel McGraw shall pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's Excel’s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Excel delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Excel with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Excel shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Excel shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Excel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentExcel. 12.5 Navtel Excel shall pay Verizon for Transit Service that Navtel Excel originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Excel Central Office, then Excel shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Excel as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Excel Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Excel shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelMarathon's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Marathon delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Marathon with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Marathon shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Marathon shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Marathon does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel Marathon will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel Marathon shall pay Verizon for Transit Service that Navtel Marathon originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel Marathon any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of Navtel.Marathon‌ 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇Marathon’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelMarathon, Verizon shall continue to provide Tandem Transit Service to Navtel Marathon (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel Marathon shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon Marathon’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, Marathon shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that Marathon has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to Marathon, Marathon shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelBest's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Best delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Best with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Best shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Best shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Best does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentBest. 12.5 Navtel 11.5 Best shall pay Verizon for Transit Service that Navtel Best originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Best Central Office, then Best shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Best as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Best Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Best shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelSnappy Phone's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Snappy Phone delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Snappy Phone with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Snappy Phone shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Snappy Phone shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Snappy Phone does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentSnappy Phone. 12.5 Navtel Snappy Phone shall pay Verizon for Transit Service that Navtel Snappy Phone originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Snappy Phone Central Office, then Snappy Phone shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Snappy Phone as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Snappy Phone Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Snappy Phone shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelTNCI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel TNCI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel TNCI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel TNCI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel TNCI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel TNCI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel TNCI will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel TNCI shall pay Verizon for Transit Service that Navtel TNCI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel TNCI any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelTNCI. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇TNCI’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelTNCI, Verizon shall continue to provide Tandem Transit Service to Navtel TNCI (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel TNCI shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon TNCI’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, TNCI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that TNCI has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to TNCI, TNCI shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPCS 's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel PCS delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel PCS with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel PCS shall deliver each Tandem Transit Traffic call to Verizon with CCS Centium Call Second (Hundred Call Second) and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel PCS shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel PCS does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentPCS. 12.5 Navtel PCS shall pay Verizon for Transit Service that Navtel PCS originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a PCS Central Office, then PCS shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to PCS as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a PCS Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At PCS shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelDSCI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel DSCI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel DSCI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel DSCI shall deliver each Tandem Transit Traffic call to Verizon with CCS Centium Call Second (Hundred Call Second) and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel DSCI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel DSCI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentDSCI. 12.5 Navtel DSCI shall pay Verizon for Transit Service that Navtel DSCI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls.‌‌‌‌‌‌‌‌‌‌ 12.7 If or when a third party carrier’s Central Office subtends a DSCI Central Office, then DSCI shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to DSCI as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a DSCI Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At DSCI shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelEqual Access's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Equal Access delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic.Traffic.‌‌‌‌‌‌‌‌‌‌ 12.2 Tandem Transit Traffic Service provides Navtel Equal Access with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Equal Access shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Equal Access shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Equal Access does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentEqual Access. 12.5 Navtel Equal Access shall pay Verizon for Transit Service that Navtel Equal Access originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a Equal Access Central Office, then Equal Access shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Equal Access as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Equal Access Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Equal Access shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelTeleconex's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Teleconex delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Teleconex with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Teleconex shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Teleconex shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Teleconex does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”Verizon may, as set forth in the Pricing Attachmentat its sole discretion, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment.terminate 12.5 Navtel 11.5 Teleconex shall pay Verizon for Transit Service that Navtel Teleconex originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Teleconex Central Office, then Teleconex shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Teleconex as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Teleconex Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Teleconex shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelECI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ECI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ECI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ECI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel ECI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ECI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel ECI will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel ECI shall pay Verizon for Transit Service that Navtel ECI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel ECI any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel.other 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇ECI’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelECI, Verizon shall continue to provide Tandem Transit Service to Navtel ECI (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel ECI shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon ECI’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, ECI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that ECI has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to ECI, ECI shall continue to pay Verizon

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel***CLEC Acronym TXT***'s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ***CLEC Acronym TXT*** delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ***CLEC Acronym TXT*** with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel ***CLEC Acronym TXT*** shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel CLEC Acronym TXT*** shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ***CLEC Acronym TXT*** does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment***CLEC Acronym TXT***. 12.5 Navtel CLEC Acronym TXT*** shall pay Verizon for Transit Service that Navtel ***CLEC Acronym TXT*** originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a ***CLEC Acronym TXT*** Central Office, then ***CLEC Acronym TXT*** shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to ***CLEC Acronym TXT*** as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a ***CLEC Acronym TXT*** Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At ***CLEC Acronym TXT*** shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelLifeLine's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel LifeLine delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel LifeLine with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel LifeLine shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel LifeLine shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel LifeLine does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentLifeLine. 12.5 Navtel LifeLine shall pay Verizon for Transit Service that Navtel LifeLine originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a LifeLine Central Office, then LifeLine shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to LifeLine as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a LifeLine Central Office (“Threshold LevelReciprocal ▇▇ ▇▇▇▇ Transit Service”). At LifeLine shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on Navtel's Halo’s network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Halo delivers such traffic. Neither the originating nor terminating customer Customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel Halo with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel Halo shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel Halo shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel Halo shall pay Verizon for Transit Service that Navtel Halo originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel Halo any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelHalo. In the event Verizon bills Halo for charges or costs that the terminating carrier imposes or levies on Verizon for the delivery or termination of Halo's traffic, Verizon may, upon Halo's request, work cooperatively with Halo to dispute such charges or costs with the terminating carrier. Halo will defend Verizon and hold it harmless with respect to any attempt by a terminating carrier to collect from Verizon or to impose liability on Verizon with respect to traffic originated by Halo. In the event the Commission or a court of competent jurisdiction orders Verizon to pay (in whole or part) charges or costs that the terminating Halo imposes or levies on Verizon for the delivery or termination of Halo's traffic, Halo will reimburse Verizon in full for the charges or costs that Verizon is ordered to pay, including Verizon’s legal expenses and attorney’s fees. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇’s Halo's Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Halo Verizon shall continue to provide Tandem Transit Service to Navtel Halo (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During Upon Halo’s receipt of Verizon’s notice that the Transition PeriodThreshold Level has been reached with respect to a specific carrier, in addition Halo shall exercise its best efforts to any and all enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that Halo has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. 12.7 If or when a third party carrier’s Central Office subtends a Halo Central Office, then Halo shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Traffic rates Service provided by Verizon to Halo as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Halo Central Office (“Reciprocal Tandem Transit Service”). Halo shall offer such Reciprocal Transit Service arrangements under terms and charges as conditions no less favorable than those provided in this Section 12.5 hereof12. 12.8 Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal Telephone Exchange Service traffic exchange agreement with any carrier to which it originates, Navtel shall pay Verizonor from which it terminates, traffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelNew Access's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel New Access delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel New Access with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel New Access shall deliver each Tandem Transit Traffic call to Verizon with CCS Centium Call Second (Hundred Call Second) and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel New Access shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel New Access does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentNew Access. 12.5 Navtel New Access shall pay Verizon for Transit Service that Navtel New Access originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a New Access Central Office, then New Access shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to New Access as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a New Access Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At New Access shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12.‌‌‌‌‌‌‌‌‌ 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 11.1 As used in this Section 1211, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPremiere's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Premiere delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 11.2 Tandem Transit Traffic Service provides Navtel Premiere with the transport of Tandem Transit Traffic as provided below. 12.3 11.3 Tandem Transit Traffic may be routed over the Local Interconnection Trunks described in Sections 2 3 through 6 of this Attachment6. Navtel Premiere shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. The Parties will mutually agree to the types of records to be exchanged until industry standards are established and implemented. 12.4 Navtel 11.4 Premiere shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Premiere does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentPremiere. 12.5 Navtel 11.5 Premiere shall pay Verizon for Transit Service that Navtel Premiere originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 11.6 Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 11.7 If or when a third party carrier’s Central Office subtends a Premiere Central Office, then Premiere shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to Premiere as defined in this Section 11 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Premiere Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At Premiere shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 11. 11.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. ‌ 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelECI's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel ECI delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel ECI with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel ECI shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel ECI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel ECI does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel ECI will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel ECI shall pay Verizon for Transit Service that Navtel ECI originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel ECI any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other other‌ LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of NavtelECI. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇ECI’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelECI, Verizon shall continue to provide Tandem Transit Service to Navtel ECI (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel ECI shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon ECI’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, ECI shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If Verizon believes that ECI has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to ECI, ECI shall continue to pay Verizon‌

Tandem Transit Traffic. 12.1 1. As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelCinergy's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel Cinergy delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 2. Tandem Transit Traffic Service provides Navtel Cinergy with the transport of Tandem Transit Traffic as provided below. 12.3 3. Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel Cinergy shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“"TCAP”") message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel 4. Cinergy shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel Cinergy does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentCinergy. 12.5 Navtel 5. Cinergy shall pay Verizon for Transit Service that Navtel Cinergy originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, 6. Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month (LEC, if the “Threshold Level”). At such time that ▇▇▇▇▇▇’s volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 7. If or when a third party carrier’s Central Office subtends a Cinergy Central Office, then Cinergy shall offer to Verizon a service arrangement equivalent to or the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide same as Tandem Transit Service provided by Verizon to Navtel Cinergy as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a Cinergy Central Office (for "Reciprocal Tandem Transit Service"). Cinergy shall offer such Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 8. Neither Party shall take any actions to prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelPNG's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel PNG delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel PNG with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment. Navtel PNG shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel PNG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel PNG does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel PNG will pay a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition to the Tandem Transit Traffic Service charges set forth in the Pricing Attachment. 12.5 Navtel PNG shall pay Verizon for Transit Service that Navtel PNG originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel PNG any additional charges or costs the receiving CLEC, ILEC, CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is are the responsibility of NavtelPNG. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to a particular CLEC, ITC, CMRS carrier or other LEC for any month (the “Threshold Level”). At such time that ▇▇▇▇▇▇PNG’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from NavtelPNG, Verizon shall continue to provide Tandem Transit Service to Navtel PNG (for the carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Period, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel PNG shall pay Verizon (a) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (b) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment. Upon PNG’s receipt of Verizon’s notice that the Threshold Level has been reached with respect to a specific carrier, PNG shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic agreement with such carrier for the purpose of seeking direct interconnection. If ▇▇▇▇▇▇▇ believes that PNG has not exercised good faith efforts promptly to obtain such agreement, Verizon may use the Dispute Resolution processes of this Agreement. If, at the end of the Transition Period Verizon does not terminate the Transit Traffic Service to PNG, PNG shall continue to pay Verizon (i) a monthly “Transit Service Trunking Charge” for each subject carrier, as set forth in the Pricing Attachment, and (ii) a monthly “Transit Service Billing Fee”, as set forth in the Pricing Attachment.

Tandem Transit Traffic. 12.1 As used in this Section 12, Tandem Transit Traffic is Telephone Exchange Service traffic that originates on NavtelOneStar's network, and is transported through a Verizon Tandem to the Central Office of a CLEC, ILEC other than Verizon, Commercial Mobile Radio Service (CMRS) carrier, or other LEC, that subtends the relevant Verizon Tandem to which Navtel OneStar delivers such traffic. Neither the originating nor terminating customer is a Customer of Verizon. Subtending Central Offices shall be determined in accordance with and as identified in the Local Exchange Routing Guide (LERG). Switched Exchange Access Service Servi ce traffic is not Tandem Transit Traffic. 12.2 Tandem Transit Traffic Service provides Navtel OneStar with the transport of Tandem Transit Traffic as provided below. 12.3 Tandem Transit Traffic may be routed over the Interconnection Trunks described in Sections 2 through 6 of this Attachment6. Navtel OneStar shall deliver each Tandem Transit Traffic call to Verizon with CCS and the appropriate Transactional Capabilities Application Part (“TCAP”) message to facilitate full interoperability of CLASS Features and billing functions. 12.4 Navtel OneStar shall exercise its best efforts to enter into a reciprocal Telephone Exchange Service traffic arrangement (either via written agreement or mutual Tariffs) with any CLEC, ILEC, CMRS carrier, or other LEC, to which it delivers Telephone Exchange Service traffic that transits Verizon’s Tandem Office. If Navtel OneStar does not enter into and provide notice to Verizon of the above referenced arrangement within 180 days of the initial traffic exchange with relevant third party carriers, then Navtel will pay a monthly “Verizon may, at its sole discretion, terminate Tandem Transit Service Billing Fee”, as set forth in the Pricing Attachment, in addition at anytime upon thirty (30) days written notice to the Tandem Transit Traffic Service charges set forth in the Pricing AttachmentOneStar. 12.5 Navtel OneStar shall pay Verizon for Transit Service that Navtel OneStar originates at the rate specified in the Pricing Attachment. Verizon reserves the right to assess to Navtel , plus any additional charges or costs the receiving CLEC, ILECILEC , CMRS carrier, or other LEC, imposes or levies on Verizon for the delivery or termination of such traffic, including any Switched Exchange Access Service charges. Payment of any terminating charges (access or otherwise) is the responsibility of Navtel. 12.6 Except as set forth in this Section 12.6, Verizon will not provide Tandem Transit Traffic Service for Tandem Transit Traffic volumes that exceed the CCS busy hour equivalent of 200,000 combined minutes of use to be delivered to a particular CLEC, ITCILEC, CMRS carrier carrier, or other LEC for any month LEC, if the volume of Tandem Transit Traffic to be delivered to that carrier exceeds one (1) DS1 level volume of calls. 12.7 If or when a third party carrier’s Central Office subtends a OneStar Central Office, then OneStar shall offer to Verizon a service arrangement equivalent to or the same as Tandem Transit Service provided by Verizon to OneStar as defined in this Section 12 such that Verizon may terminate calls to a Central Office of a CLEC, ILEC, CMRS carrier, or other LEC, that subtends a OneStar Central Office (“Threshold LevelReciprocal Tandem Transit Service”). At OneStar shall offer such time that ▇▇▇▇▇▇’s Tandem Transit Traffic exceeds the Threshold Level, upon receipt of a written request from Navtel, Verizon shall continue to provide Tandem Reciprocal Transit Service arrangements under terms and conditions no less favorable than those provided in this Section 12. 12.8 Neither Party shall take any actions to Navtel (for prevent the other Party from entering into a direct and reciprocal traffic exchange agreement with any carrier in respect to which the Threshold Level has been reached) for a period equal to sixty (60) days after the date upon it originates, or from which the Threshold Level was reached for the subject carrier (the “Transition Period”). During the Transition Periodit terminates, in addition to any and all Tandem Transit Traffic rates and charges as provided in Section 12.5 hereof, Navtel shall pay Verizontraffic.