TS 123 517 : 8.0.0

Intellectual Property Rights
Foreword
Foreword
1 Scope
2 References
3 Definitions and abbreviations
   3.1 Definitions
   3.2 Abbreviations
4 Overall architecture
5 Overview
6 Functional entities
   6.1 Call Session Control Function (CSCF)
   6.2 Media Gateway Control Function (MGCF)
   6.3 Multimedia Resource Function Controller (MRFC)
   6.4 Breakout Gateway Control Function (BGCF)
   6.5 Interconnection Border Control Function (IBCF)
7 Internal reference points
   7.1 Reference point MGCF - CSCF (Mg reference point)
   7.2 Reference point CSCF - MRFC (Mr reference point)
   7.3 Reference point CSCF - CSCF (Mw reference point)
   7.4 Reference point CSCF - BGCF (Mi reference point)
   7.5 Reference point BGCF - MGCF (Mj reference point)
   7.6 Reference point BGCF - BGCF (Mk reference point)
   7.7 Reference point CSCF or BGCF - IBCF (Mx
        Reference Point)
8 Value added services architecture
   8.1 Overview
   8.2 Reference points
9 External reference points
   9.1 Interfaces with entities in the transfer plane
   9.2 Interface with the UE
   9.3 Interfaces with the user profile
   9.4 Interfaces with Charging Functions
10 Interconnection with other networks
   10.1 Interfaces with the PSTN/ISDN
   10.2 Interfaces with other IP-based service
        subsystems
11 Interface with the Network Attachment Subsystem (NASS)
12 Interface with the Resource and Admission
   Control Subsystem (RACS)
Annex A (informative): IMS Access scenarios
Annex B (informative): IMS interconnection scenarios
Annex ZZ (informative): Change history
History