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TS 23.231 (CT4) ★
SIP-I based
Circuit-Switched Core Network –
Stage 2

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V15.0.0 (PDF)  2018/06  73 p.
V14.0.0  2017/03  76 p.
V13.0.0  2015/12  75 p.
V12.0.0  2013/12  75 p.
V11.1.1  2012/11  75 p.
V10.0.0  2011/04  75 p.
V9.0.0  2009/12  75 p.
V8.4.0  2009/06  75 p.

Rapporteur:  Mrs. Biondic, Nevenka
This TS defines the stage 2 description for the SIP-I based CS core network. The logical architecture for the SIP-I based CS core network is defined in TS 23.205.

This stage 2 shall cover the information flows between the GMSC server, MSC server and media gateways that are required to support a SIP-I based Nc interface. For the purposes of the present document, the Nc interface profile is based on ITU-T Q.1912.5 SIP-I profile C and is specified in TS 29.231. The Mc interface profile is based on ITU-T H.248.1 and is specified in TS 29.232. Local Call Local Switch (LCLS) functionality is further specified in TS 23.284.

short Table of Contents for  TS 23.231  Word version:   15.0.0

each title links to the equivalent title in the full ToC

 

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1  Scope [R8]  Word-p. 9
2  References [R8]  Word-p. 9
3  Definitions, symbols and abbreviations [R8]  Word-p. 10
4  Main Concepts [R8]  Word-p. 11
5  General Circuit Switched Core Network Domain Architecture [R8]  Word-p. 18
6  Call Establishment [R8]  Word-p. 19
6.1  Basic Mobile Originating Call  Word-p. 19
6.2  Basic Mobile Terminating Call  Word-p. 25
7  Call Clearing [R8]  Word-p. 33
7.1  General  Word-p. 33
7.2  Visited MSC Server Procedures  Word-p. 34
7.3  Gateway MSC Server Procedures  Word-p. 42
8  Handover/Relocation [R8]  Word-p. 44
8.1  UMTS to UMTS  Word-p. 44
8.2  UMTS to GSM  Word-p. 45
8.3  GSM to UMTS  Word-p. 46
8.4  GSM to GSM  Word-p. 47
9  Compatibility Issues [R8]  Word-p. 48
10  General (G)MSC server-MGW Procedures [R8]  Word-p. 48
11  Identities [R8]  Word-p. 49
12  Operational Aspects [R8]  Word-p. 50
13  Interactions with Other Services [R8]  Word-p. 51
14  Interactions with Other Network Features and Services [R8]  Word-p. 61
15  Messages/Procedures and their contents [R8]  Word-p. 69
16  Bearer Redirect [R8]  Word-p. 71
17  (G)MSC MGW Tandeming [R8]  Word-p. 71
18  Timers for SIP-I based CS core network [R8]  Word-p. 72
19  Multiple IP Realms [R8]  Word-p. 72
A  Change history  Word-p. 73

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