Content for TS 29.235 Word version: 18.0.0
A Interconnecting functionalities in SIP-I based CS domain
A.1 General
A.2 Stage 2 Requirements
A.3 Border Control architecture
A.5 Procedures at the CS-IBCF
A.6 Procedures at the CS-TrGW
A.7 CS-IBCF - CS-TrGW Interaction
A.8 (G)MSC - CS-MGW Interaction
B Additional Interworking Procedures between a SIP-I based circuit-switched Core Network and the IP Multimedia (IM) Core Network (CN) Subsystem to Support Special Services
$ Change History
A (Normative) Interconnecting functionalities in SIP-I based CS domain p. 74
A.1 General p. 74
A.2 Stage 2 Requirements p. 74
A.3 Border Control architecture p. 75
A.4 Void
A.5 Procedures at the CS-IBCF p. 75
A.5.1 General p. 75
A.5.2 CS-IBCF as an exit point p. 76
A.5.2.1 Initial requests p. 76
A.5.2.2 Subsequent requests p. 76
A.5.2.3 CS-IBCF-initiated call release p. 77
A.5.2.4 THIG functionality in the CS-IBCF p. 77
A.5.2.5 ALG functionality in the CS-IBCF p. 78
A.5.2.6 Screening of SIP-I signalling p. 78
A.5.2.6.1 General p. 78
A.5.2.6.2 CS-IBCF procedures for SIP headers p. 79
A.5.2.6.3 CS-IBCF procedures for SIP message bodies p. 79
A.5.2.7 Void
A.5.3 CS-IBCF as an entry point p. 79
A.6 Procedures at the CS-TrGW |R9| p. 82
A.7 CS-IBCF - CS-TrGW Interaction |R9| p. 82
A.7.1 General p. 82
A.7.1.1 Network Model p. 82
A.7.1.2 Signalling flows p. 82
A.7.1.2.1 Basic Procedures p. 82
A.7.1.2.2 Specific Use Cases p. 85
A.7.1.2.2.1 CS-IBCF as Entry Point, Call Establishment with IP Version Interworking p. 85
A.7.1.2.2.2 Hanging Termination Detection p. 86
A.7.1.2.2.3 Gate Management p. 87
A.7.1.2.2.4 QoS Packet Marking p. 87
A.7.1.2.2.5 IP Realms p. 88
A.7.1.2.2.6 Media Inactivity Detection p. 88
A.7.1.2.2.7 RTCP Handling p. 89
A.7.1.2.2.8 Bandwidth Policing p. 90
A.7.1.2.2.9 Through-Connection p. 91
A.7.1.2.2.10 Emergency Call p. 91
A.7.1.2.2.11 Interactive Connectivity Establishment p. 91
A.7.1.2.2.12 SDP Capability Negotiation (SDPCapNeg) p. 91
A.7.2 Ix Signalling Procedures p. 92
A.7.2.1 Introduction p. 92
A.7.2.2 Call Related Procedures p. 92
A.7.2.2.1 Reserve TrGW Connection Point p. 92
A.7.2.2.2 Configure TrGW Connection Point p. 95
A.7.2.2.3 Reserve and Configure TrGW Connection Point p. 98
A.7.2.2.4 Release TrGW Termination p. 101
A.7.2.2.5 IP Bearer Released p. 102
A.7.2.2.6 Media Inactivity Detection p. 102
A.7.2.2.7 Termination heartbeat indication p. 103
A.7.2.2.8 Change Through-Connection p. 103
A.7.2.3 Non-Call Related Procedures p. 104
A.8 (G)MSC - CS-MGW Interaction |R9| p. 106
A.8.1 General p. 106
A.8.1.1 Network Model p. 106
A.8.1.2 Signalling flows p. 106
B (Normative) Additional Interworking Procedures between a SIP-I based circuit-switched Core Network and the IP Multimedia (IM) Core Network (CN) Subsystem to Support Special Services |R9| p. 108
B.1 General p. 108
B.2 Global Text Telephony p. 108
$ Change History p. 109
