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TR 24.879 (CT1)
Combining Circuit-Switched (CS) Calls
and IP Multimedia Subsystem (IMS) Sessions

3GPP‑Page   full‑ToC    
use "3GPP‑Page" to get the Word version
for a better overview, the Table of Contents (ToC) is reproduced
V7.0.0 (Wzip)  2006/03  73 p.


Rapporteur:  Mr. Dawes, Peter
See also:

This TR provides the technical realisation for the combination of Circuit Switched calls and IM sessions when using them simultaneously between the same two users.

This TR describes the use of CS and IM services in combination, using the existing procedures that have been defined for CS and IMS. It includes the necessary function as adding an IM session to an ongoing CS call, adding a CS call to an ongoing IM session, supplementary services as they relate to CSICS and supporting capability exchange.

This TR is applicable to UE and Application Servers providing for the combination of Circuit Switched calls and IM sessions.

full Table of Contents for  TR 24.879  Word version:   7.0.0

 

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1  ScopeWord-p. 7
2  References
3  Definitions, symbols and abbreviationsWord-p. 8
4  Common capability information and identifiers for CS-first and IMS-first scenarios
5  Common procedures for CS-first and IMS-first scenariosUp
6  Combining a CS call with an existing IM session
7  Combining an IM session with an existing CS callWord-p. 14
8  Interaction with supplementary servicesWord-p. 17
A (Normative)  Media feature tags defined within the current document
B  Example signalling flows for the combining of CS calls with IM sessionsWord-p. 18
C  Proposed changes to 3GPP TS 24.008 [4]Word-p. 55
X (Normative)  3GPP capability exchange protocolWord-p. 61
D  Proposed changes to 3GPP TS 24.229 [5]Up
E  Change historyWord-p. 72

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