Carrier Identification. Requesting Carrier may choose the 800 Carrier Identification service to obtain toll-free number screening. With this service, Requesting Carrier will launch a query to the Ameritech database using its own Service Switching Points (SSPs) network. In contrast to the Call Routing Service described in Section 2.1.1 above, with the 800 Carrier Identification service, no routing is performed. Requesting Carrier's SS7 network is used to transport the query from its End Office to the Ameritech SCP. Once Requesting Carrier's identification is provided, Requesting Carrier may use the information to route the toll-free traffic over its network. In these cases, Ameritech Switched Access services are not used to deliver a call to Requesting Carrier. The toll-free carrier ID data may not be stored for Requesting Carrier's future use.
Carrier Identification. Focal may choose the 800 Carrier ---------------------- Identification service to obtain toll-free number screening. With this service, Focal will launch a query to the Ameritech database using its own Service Switching Points (SSPs) network. In contrast to the Call Routing Service described in Section 2.1.1 above, with the 800 Carrier Identification service, ------------- no routing is performed.
