Common use of INITIAL NETWORK IMPLEMENTATION SCHEDULE FOR PENNSYLVANIA Clause in Contracts

INITIAL NETWORK IMPLEMENTATION SCHEDULE FOR PENNSYLVANIA. In accordance with the provisions of Section 3 of the Agreement, the Parties shall make their best efforts to meet the following initial Milestones no later than the listed Dates. LATA in Pennsylvania Milestone Date LATA 228 LATA Start Date Done SS7 Certification, Collocation, Operator Services/DA Facilities, and NXX(s) Applied For Done Parties Agree on Trunking Arrangements for Traffic Exchange Done Valid Access Service Request(s) (“ASRs”) for Traffic Exchange Trunk Groups and Routing Information Received by BA Done Valid Orders for 911 Facilities Received by BA Done All Trunks (Traffic Exchange, Operator Services/DA, 911) Tested and Turned Up; SS7 Certification Achieved1 9/15/96 Collocation Arrangements Complete for Trunk Interconnection and Access to Network Elements2 11/1/96 Arrangements for Alternate-Billed Calls Agreed Upon 10/1/96 Call-through Testing Completed; “Interconnection Activation Date” 11/15/96 Failure of a Party or the Parties to meet an earlier Milestone Date shall not relieve either Party of the responsibility to make its best efforts to meet subsequent Milestone Date(s) in the LATA, unless, and only to the extent that, the subsequent Milestone Date(s) depend on the timely completion of such earlier Milestone Date. For purposes of Section 3, (i) business Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC has an effective Tariff for business Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer lines in service for business Telephone Exchange Service Customers in that LATA in Pennsylvania that are not affiliates or employees of either BA or ETC, and (ii) residential Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC has an effective Tariff for residential Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer 1 SS7 certification scheduling depends on actual schedule availability at time of request.

INITIAL NETWORK IMPLEMENTATION SCHEDULE FOR PENNSYLVANIA. In accordance with the provisions of Section 3 of the Agreement, the Parties shall make their best efforts to meet the following initial Milestones no later than the listed Dates. LATA in Pennsylvania Milestone Date LATA 228 TBD LATA Start Date Done TBD SS7 Certification, Collocation, Operator Services/DA Facilities, and NXX(s) Applied For Done TBD Parties Agree on Trunking Arrangements for Traffic Exchange Done TBD Valid Access Service Request(s) (“ASRs”) for Traffic Exchange Trunk Groups and Routing Information Received by BA Done TBD Valid Orders for 911 Facilities Received by BA Done TBD All Trunks (Traffic Exchange, Operator Services/DA, 911) Tested and Turned Up; Up TBD SS7 Certification Achieved1 9/15/96 Achieved; 1 Collocation Arrangements Complete for Trunk Interconnection and Access to Network Elements2 11/1/96 TBD Arrangements for Alternate-Billed Calls Agreed Upon 10/1/96 TBD Call-through Testing Completed; “Interconnection Activation Date” 11/15/96 TBD Failure of a Party or the Parties to meet an earlier Milestone Date shall not relieve either Party of the responsibility to make its best efforts to meet subsequent Milestone Date(s) in the LATA, unless, and only to the extent that, the subsequent Milestone Date(s) depend on the timely completion of such earlier Milestone Date. For purposes of Section 3, (i) business Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC TCG has an effective Tariff for business Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer lines in service for business Telephone Exchange Service Customers in that LATA in Pennsylvania that are not affiliates or employees of either BA or ETCTCG, and (ii) residential Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC TCG has an effective Tariff for residential Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer lines in service for residential Telephone Exchange Service Customers in that LATA in Pennsylvania that are not affiliates or employees of either BA or TCG. 1 SS7 certification scheduling depends on actual schedule availability at time of request. Initial implementation will be multi-frequency until SS7 certification is achieved.

INITIAL NETWORK IMPLEMENTATION SCHEDULE FOR PENNSYLVANIA. In accordance with the provisions of Section 3 of the Agreement, the Parties shall make their best efforts to meet the following initial Milestones no later than the listed Dates. LATA in Pennsylvania Milestone Date LATA 228 TBD LATA Start Date Done TBD SS7 Certification, Collocation, Operator Services/DA Facilities, and NXX(s) Applied For Done TBD Parties Agree on Trunking Arrangements for Traffic Exchange Done TBD Valid Access Service Request(s) (“ASRs”) for Traffic Exchange Trunk Groups and Routing Information Received by BA Done TBD Valid Orders for 911 Facilities Received by BA Done TBD All Trunks (Traffic Exchange, Operator Services/DA, 911) Tested and Turned Up; Up TBD SS7 Certification Achieved1 9/15/96 Achieved; 1 Collocation Arrangements Complete for Trunk Interconnection and Access to Network Elements2 11/1/96 TBD Arrangements for Alternate-Billed Calls Agreed Upon 10/1/96 TBD Call-through Testing Completed; “Interconnection Activation Date” 11/15/96 TBD Failure of a Party or the Parties to meet an earlier Milestone Date shall not relieve either Party of the responsibility to make its best efforts to meet subsequent Milestone Date(s) in the LATA, unless, and only to the extent that, the subsequent Milestone Date(s) depend on the timely completion of such earlier Milestone Date. For purposes of Section 3, (i) business Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC ICI has an effective Tariff for business Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer lines in service for business Telephone Exchange Service Customers in that LATA in Pennsylvania that are not affiliates or employees of either BA or ETCICI, and (ii) residential Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC ICI has an effective Tariff for residential Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer 1 SS7 certification scheduling depends on actual schedule availability at time of request. Initial implementation will be multi-frequency until SS7 certification is achieved.

INITIAL NETWORK IMPLEMENTATION SCHEDULE FOR PENNSYLVANIA. In accordance with the provisions of Section 3 of the Agreement, the Parties shall make their best efforts to meet the following initial Milestones no later than the listed Dates. LATA in Pennsylvania Milestone Date LATA 228 (Philadelphia) LATA Start Date Done SS7 Certification, Collocation, Operator Services/DA Facilities, and NXX(s) Applied For Done TBD Parties Agree on Trunking Arrangements for Traffic Exchange Done 11/15/96 Valid Access Service Request(s) (“ASRs”) for Traffic Exchange Trunk Groups and Routing Information Received by BA Done 12/9/96 Valid Orders for 911 Facilities Received by BA Done 12/13/96 All Trunks (Traffic Exchange, Operator Services/DA, 911) Tested and Turned Up; Up 3/3/97 SS7 Certification Achieved1 9/15/96 Achieved; 1 Collocation Arrangements Complete for Trunk Interconnection and Access to Network Elements2 11/1/96 TBD Arrangements for Alternate-Billed Calls Agreed Upon 10/1/96 3/3/97 Call-through Testing Completed; “Interconnection Activation Date” 11/15/96 TBD Failure of a Party or the Parties to meet an earlier Milestone Date shall not relieve either Party of the responsibility to make its best efforts to meet subsequent Milestone Date(s) in the LATA, unless, and only to the extent that, the subsequent Milestone Date(s) depend on the timely completion of such earlier Milestone Date. For purposes of Section 3, (i) business Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC has an effective Tariff for business Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer lines in service for business Telephone Exchange Service Customers in that LATA in Pennsylvania that are not affiliates or employees of either BA or ETC, and (ii) residential Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC has an effective Tariff for residential Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer 1 SS7 certification scheduling depends on actual schedule availability at time of request. Initial implementation will be multi-frequency until SS7 certification is achieved.

INITIAL NETWORK IMPLEMENTATION SCHEDULE FOR PENNSYLVANIA. In accordance with the provisions of Section 3 of the Agreement, the Parties shall make their best efforts to meet the following initial Milestones no later than the listed Dates. LATA in Pennsylvania PENNSYLVANIA Milestone Date LATA 228 LATA Start Date Done TBD SS7 Certification, Collocation, Operator Services/DA Facilities, and NXX(s) Applied For Done TBD Parties Agree on Trunking Arrangements for Traffic Exchange Done TBD Valid Access Service Request(s) (“ASRs”) for Traffic Exchange Trunk Groups and Routing Information Received by BA Done TBD Valid Orders for 911 Facilities Received by BA Done TBD All Trunks (Traffic Exchange, Operator Services/DA, 911) Tested and Turned Up; Up TBD SS7 Certification Achieved1 9/15/96 Achieved; 1 Collocation Arrangements Complete for Trunk Interconnection and Access to Network Elements2 11/1/96 Elements TBD Arrangements for Alternate-Billed Calls Agreed Upon 10/1/96 TBD Call-through Testing Completed; “Interconnection Activation Date” 11/15/96 TBD Failure of a Party or the Parties to meet an earlier Milestone Date shall not relieve either Party of the responsibility to make its best efforts to meet subsequent Milestone Date(s) in the LATA, unless, and only to the extent that, the subsequent Milestone Date(s) depend on the timely completion of such earlier Milestone Date. For purposes of Section 3, (i) business Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC Covad has an effective Tariff for business Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer lines in service for business Telephone Exchange Service Customers in that LATA in Pennsylvania that are not affiliates or employees of either BA or ETCCovad, and (ii) residential Telephone Exchange Service shall be considered “fully operational” in a LATA in Pennsylvania when ETC Covad has an effective Tariff for residential Telephone Exchange Service in Pennsylvania and has a significant number of Telephone Exchange Service Customer lines in 1 SS7 certification scheduling depends on actual schedule availability at time of request.. Initial implementation will be multi-frequency until SS7 certification is achieved. service for residential Telephone Exchange Service Customers in that LATA in Pennsylvania that are not affiliates or employees of either BA or Covad. SCHEDULE 4.0 PENNSYLVANIA COVAD IPs BA IPs XXX XXX SCHEDULE 4.5