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TS 24.237 (CT1)
IMS Service Continuity – Stage 3

ToC      3GPP‑Page      ETSI‑search      Help       
V15.1.0 (Wzip)    2017/12    503 p.
V14.4.0 (PDF)    2017/06    499 p.
V13.6.0    2016/12    485 p.
V12.14.0    2016/12    471 p.
V11.17.0    2016/12    393 p.
V10.20.0    2015/12    236 p.
V9.20.0    2015/06    211 p.
V8.14.0    2013/09    78 p.

Rapporteur:  Mr. Kaura, Ricky
See also:  ISC-related TS/TR    

IP Multimedia (IM) Core Network (CN) subsystem Service Continuity (SC) provides the capability of continuing ongoing communication sessions with multiple media across different access networks.

This TS provides the protocol details for enabling IMS SC based on the Session Initiation protocol (SIP) and the Session Description Protocol (SDP) and the protocols of the 3GPP Circuit-Switched (CS) domain (e.g. CAP, MAP, ISUP, BICC and the NAS call control protocol for the CS access).

This TS is applicable to User Equipment (UEs), Application Servers (AS), MSC Servers providing IMS Service Continuity capabilities, Emergency Access Transfer Function (EATF), Access Transfer Control Function (ATCF).

for V15:    PS to CS SRVCC for emergency session in alerting or pre-alerting phase

click  here  to see the ToC for advanced Rel-15 Word version


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1   Scope [R8]   PDF-p. 16
2   References [R8]
3   Definitions and abbreviations [R8]   PDF-p. 20
4   Overview of IP Multimedia (IM) Core Network (CN) subsystem Service Continuity [R8]
5   Functional entities [R8]
6   Roles for registration in the IM CN subsystem for service continuity [R8]

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