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

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

Rapporteur:  Mrs. Biondic, Nevenka
See also:  SIP-I-related TS/TR    

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.


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1   Scope [R8]   PDF-p. 9
2   References [R8]
3   Definitions, symbols and abbreviations [R8]   PDF-p. 10
4   Main Concepts [R8]
5   General Circuit Switched Core Network Domain Architecture [R8]   PDF-p. 18
6   Call Establishment [R8]   PDF-p. 19
6.1   Basic Mobile Originating Call
6.2   Basic Mobile Terminating Call   PDF-p. 25

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