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TS 24.292 (CT1)
ICS – IMS Centralized Services – Stage 3

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V15.1.0 (PDF)  2018/06  186 p.
V14.1.0  2017/06  187 p.
V13.4.0  2016/09  186 p.
V12.10.0  2016/09  185 p.
V11.10.0  2016/09  182 p.
V10.16.0  2016/09  180 p.
V9.19.0  2016/09  179 p.
V8.21.0  2016/09  153 p.

Rapporteur:  Dr. Axell, Jörgen
See also:

IP Multimedia (IM) Core Network (CN) subsystem centralized services (ICS) allow for the delivery of consistent IMS services to the user regardless of the attached access type (e.g. CS domain access or IP-CAN).

This TS provides the protocol details for the realization of ICS based on the Session Initiation protocol (SIP), the Session Description Protocol (SDP), the I1 protocol, 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).