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TS 23.228 (SA2)
IP Multimedia Subsystem (IMS) – Stage 2

ToC      3GPP‑Page      ETSI‑search      Help      T+
V15.1.0 (Wzip)    2017/12    329 p.
V14.6.0 (PDF)    2017/12    322 p.
V13.8.0    2016/12    316 p.
V12.10.0    2016/03    312 p.
V11.11.0    2015/06    292 p.
V10.9.0    2015/06    274 p.
V9.4.0    2010/09    255 p.
V8.12.0    2010/03    250 p.
V7.16.0    2009/12    225 p.
V6.16.0    2007/03    182 p.
V5.15.0    2006/06    133 p.

Rapporteur:  Mr. Towle, Thomas
See also:  IMS-related TS/TR    

This document defines the stage-2 service description for the IP Multimedia Core Network Subsystem (IMS), which includes the elements necessary to support IP Multimedia (IM) services.

for V14, V15:    Modification on PS Data Off support in IMS Client
for V15:    Improvements to Annex M to reflect 5GS   |   Improvements to Annex Y   |   Clarification on UE behavior when receiving single list of Exempt Services   |   Support for identity attestation and verification

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


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1   Scope [R5]   PDF-p. 15
2   References [R5]
3   Definitions, symbols and abbreviations [R5]   PDF-p. 19
4   IP multimedia subsystem concepts [R5]   PDF-p. 23

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