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

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V14.0.0  2017/03  76 p.
V13.0.0  2015/12  75 p.
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V8.4.0  2009/06  75 p.


Rapporteur:  Mrs. Biondic, Nevenka
See also:

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.