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TS 29.235 (CT3)
Interworking between
SIP-I based Circuit-Switched core network and
other networks

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(P) V14.0.0    2017/03    114 p.
(P) V13.1.0    2016/03    111 p.
(P) V12.1.0    2015/06    111 p.
(P) V11.3.0    2013/09    107 p.
(P) V10.3.0    2013/09    107 p.
(P) V9.10.0    2013/09    107 p.
(P) V8.8.0    2013/09    80 p.


Rapporteur:  Dr. Belling, Thomas
See also:  SIP-I-related TS/TR    


This TS specifies the interworking between SIP-I based circuit-switched core network, as specified in TS 23.231 and TS 29.231, with out-of-band transcoder control related procedures in TS 23.153, and:
  • an external SIP-I based signalling network compliant to ITU-T Recommendation Q.1912.5,
  • an ISUP (ITU-T Recommendations Q.761 to Q.764) based network such as an ISUP based 3GPP CS Domain or a PSTN,
  • a BICC (ITU-T Recommendations Q.1902.1 to Q.1902.6) based network such as an BICC based 3GPP CS Domain as specified in TS 23.205 and TS 29.205,
  • an IP Multimedia Subsystem, as specified in TS 23.228 and TS 24.229.


 

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1   Scope [R8]   PDF-p. 10
2   References [R8]
3   Definitions and abbreviations [R8]   PDF-p. 12
4   Interworking between a SIP-I based circuit-switched core network and an external SIP-I based network [R8]   PDF-p. 14
4.1   Reference Model
4.2   Signalling Interworking of a Call from the external SIP-I based network towards the SIP-I based circuit-switched core network   PDF-p. 15
4.3   Signalling Interworking of a Call from SIP-I based circuit-switched core network towards the external SIP-I based network   PDF-p. 18
4.4   DMTF Signalling Interworking applicable for all Calls between an external SIP-I based network and a SIP-I based circuit-switched core network   PDF-p. 21
4.5   User Plane Interworking   PDF-p. 23
4.6   Example Call flows

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