Intellectual Property Rights
Foreword
Foreword
1 Scope
2 References
3 Definitions, symbols and abbreviations
   3.1 Definitions
   3.2 Abbreviations
4 Overview of voice call continuity between the
   Circuit-Switched (CS) domain and the IP
   Multimedia (IM) Core Network (CN) subsystem
   4.1 General
   4.2 Underlying network capabilities
   4.3 URI and address assignments
5 Functional entities
   5.1 Introduction
   5.2 User Equipment (UE)
   5.3 Media Resource Function Controller (MRFC)
   5.4 Application Server (AS)
   5.5 Media Gateway Control Function (MGCF)
6 Roles for registration in the IM CN subsubsystem
   6.1 Introduction
   6.2 VCC UE
   6.3 VCC application
7 Roles for call origination
   7.1 Introduction
   7.2 VCC UE
   7.3 VMSC
   7.4 VCC application
8 Roles for call termination
   8.1 Introduction
   8.2 VCC UE
   8.3 GMSC
   8.4 VCC application
9 Roles for domain transfer of a call from the CS domain
   to the IM CN subsystem
   9.1 Introduction
   9.2 VCC UE
   9.3 VCC application
   9.4 MGCF
10 Roles for domain transfer of a call from the
   IM CN subsystem to the CS domain
   10.1 Introduction
   10.2 VCC UE
   10.3 VMSC
   10.4 VCC application
Annex A (informative): Example signalling flows of voice call
        continuity between the Circuit-Switched (CS) domain
        and the IP Multimedia (IM) Core Network (CN) subsystem
    A.1 Scope of signalling flows
    A.2 Introduction
    A.3 Signalling flows for registration and exchange of
        mobility status information
    A.4 Signalling flows for call origination
    A.5 Signalling flows for call termination
    A.6 Signalling flows for CS domain to IM CN subsystem transfer
    A.7 Signalling flows for IM CN subsystem to CS domain transfer
Annex B (informative): Example of filter criteria
    B.1 Introduction
    B.2 Example 1 - Service profile for UE originating
        for a VCC subscriber
    B.3 Example 2 - Service profile for UE terminating
        for a VCC subscriber
Annex C (informative): Change history
History