ECMA/TR 95 : 1ED 2008

1 Scope
2 References
3 Definitions
   3.1 Corporate telecommunication Network (CN)
        (ETSI EG 201 017 [10])
   3.2 Domain
   3.3 Enterprise network
   3.4 Home server
   3.5 Transport service provider (TSP)
   3.6 Medium
   3.7 Next Generation CN (NGCN)
   3.8 Next Generation Network (NGN)
   3.9 Private network traffic
   3.10 Public network traffic
   3.11 Roaming
   3.12 Roaming hub
   3.13 Session service provider (SSP)
   3.14 SIP intermediary
4 Abbreviations
5 Background
6 General concepts
   6.1 Basic communication architecture
   6.2 Session level architecture
   6.3 Domains
   6.4 Mobility
   6.5 The hosting concept
   6.6 Private network traffic and public network
        traffic
   6.7 Other technical considerations
7 Scenarios for session-based communications
   7.1 Session-based intra-domain communications
   7.2 Session-based inter-domain communications within
        a single enterprise network
   7.3 Session-based communication between two enterprises
   7.4 Session-based communication with users of public
        networks
   7.5 Session-based roaming
8 NGN considerations
   8.1 Summary of scenarios involving NGN
   8.2 Interfacing NGCN to NGN
9 Application considerations
10 Current standards and standardisation efforts
   10.1 IETF Real-time Applications and Infrastructure
        (RAI) area
   10.2 SIP Forum
   10.3 ETSI TISPAN
   10.4 3GPP
   10.5 ITU-T Study Group 13

Focuses on session level communication based on the Session Initiation Protocol (SIP) [6], with an emphasis on inter-domain communication.