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ROADMAP-TO-NGN-1
Roadmap to NGN Documents Issue 2, August 2008
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3–4
C.4 Customer Gateway Call Control Procedures
C.5 Customer Gateway Specific Subscription/Administration
Parameters
Appendix D: Network Mediation Gateway
D.1 NMGW Signaling interface
D.2 NMGW Generic Procedures
D.3 Network Mediation Gateway to Customer Gateway Bearer
Association
D.4 NMGW Call Control Procedures
Appendix E: Handling SIP and H.323 Terminals in an NGN/VOP Network
E.1 Support for H.323 Terminals
E.2 Support for SIP Terminals
GR-3053-CORE, Voice over Packet (VoP): Next Generation Network (NGN)
Signaling Gateway Generic Requirements
This document provides generic requirements applicable to Signaling Gateways
(SGWs) in Voice over Packet (VoP) Next Generation Networks (NGNs). The SGW
provides signaling connectivity between a Signaling System Number 7 (SS7)
signaling network and a VOP network. The SGW requirements are based on the VOP
network architecture assumptions described in GR-3051-CORE, Voice over
Packet: NGN Call Connection Agent Generic Requirements. Specifically, this
document describes the functional requirements for the SS7 interface, packet
network interface, management interworking between the SS7 and packet network,
and interaction between the SGW and the Call Connection Agent (CCA) in the VOP
network. Also, an overview of the VoP network management strategy and detailed
functional operations requirements that need to be supported by an SGW are
specified.
Contents
1. Introduction
2. VoP Architecture
2.1 Overview
2.2 Functional Elements
2.3 Interfaces and Protocols
2.4 Assumptions
3. SGW Functional Architecture and High-Level Requirements
3.1 SS7 Network Access Architecture
3.2 Signaling Protocols
4. Interface - Functional Requirements
4.1 SS7 Network Protocol Interface - Functional Requirements