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Common Channel Signaling Network Interface Specification (CCSNIS) Supporting SCCP and TCAP

Document Number GR-1432
Issue Number 06
Issue Date Dec 2004
Replaces TA-NWT-001432 Issue01

    ABSTRACT: Issue 6 of GR-1432, Common Channel Signaling Network Interface Specification (CCSNIS) Supporting SCCP and TCAP, replaces Issue 5.

    GR-1432 is the only consistently updated upper layer CCS/SS7 interconnection document. It provides information for the interconnection of Common Channel Signaling (CCS) networks with Interconnecting CCS Networks (ICNs) to support the Signaling Connection Control Part (SCCP) and the Transaction Capabilities Application Part (TCAP) of the Signaling System Number 7 (SS7) protocol. As CCS networks have continued to evolve, and network interconnection architectures and the services they support have grown more complex, it has become necessary to identify the type of behavior all network providers are expected to exhibit when specific requirements do not exist.

    This document provides ICNs with compatibility information required for interconnecting with CCS Network Provider networks. These ICNs include Interexchange Carriers (IXCs), International Carriers (INCs), Independent Local Exchange Carriers (ILECs), Wireless Service Providers (WSPs), and Enhanced Service Providers (ESPs). The compatibility information includes the messages, events, and conditions that occur for the exchange of information between networks.

    As customer needs evolve toward NGN/IP networks and IP protocols, it is important that interconnecting networks keep current on the expected interconnection architectures and the complexities inherent to these new protocols and architectures. GR-1432 focuses on SCCP and TCAP capabilities for interworking with traditional/existing client company SS7 networks.

    For Service Providers, this document provides a foundation for the expected interconnection arrangements at SCCP and TCAP and therefore provides for more efficient and cost-effective interconnection.

    Issue 6 reflects the activities of the Internet Engineering Task Force (IETF) industry group in the areas of SCCP and TCAP. Information on the SS7 TCAP User Adaptation Layer (protocol for the transport of SS7 TCAP-User signaling over IP) has been added, as well as information on the encapsulation of TCAP in SIP messages.

    GR-1432 replaced TA-NWT-001432.

    When using GR-1432, you may want to refer to GR-905, GR-82, and/or GR-246. You may also want to refer to GR-954, GR-1429, GR-1434, and/or certain ANSI, ISO, and TIA/EIA standards and ITU-T recommendations.

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