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TS 23.279 (SA2)
Combining CS and IMS Services – Stage 2

ToC      3GPP‑Page      ETSI‑search      Help       
V14.0.0 (PDF)    2017/03    39 p.
V13.0.0    2015/12    39 p.
V12.0.0    2014/09    39 p.
V11.0.0    2012/09    39 p.
V10.0.0    2011/03    39 p.
V9.0.0    2009/12    38 p.
V8.1.0    2007/09    38 p.
V7.7.0    2007/09    38 p.

Rapporteur:  Mr. Hu, Yun-Chao
See also:  CSICS-related TS/TR    

The combination of CS and IMS services (CSI) is the parallel operation of a CS service and an IMS session between the same two users. It does not require a specific subscription and a specific charging correlation.

This TS provides architectural details to combine CS services and IMS services for using them in parallel between the same two users in a peer-to-peer context. The document provides a detailed description of how capabilities and identities are exchanged to enable the combination of CS and IMS services between the same two UEs.


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