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TS 23.216 (SA2)
SRVCC – Single Radio Voice Call Continuity – Stage 2

ToC   3GPP‑Page   ETSI‑search   Help    
V15.1.0 (Wzip)  2017/12  69 p.
V14.0.0 (PDF)  2016/09  72 p.
V13.2.0  2016/09  73 p.
V12.4.0  2016/06  71 p.
V11.11.0  2014/06  70 p.
V10.6.0  2013/06  47 p.
V9.9.0  2012/03  45 p.
V8.8.0  2012/03  37 p.




Rapporteur:  Mr. Wong, Curt
See also:  SRVCC-related TS/TR

This document specifies the architecture enhancements for Single Radio Voice Call Continuity (SRVCC) between the following access systems for voice calls that are anchored in the IMS:
  • from E-UTRAN to 3GPP2 1xCS
  • from E-UTRAN to UTRAN/GERAN
  • from UTRAN (HSPA) to UTRAN/GERAN
  • from UTRAN/GERAN to E-UTRAN
  • from GERAN to UTRAN (HSPA)


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1  Scope [R8]PDF-p. 7
2  References [R8]
3  Definitions and abbreviations [R8]PDF-p. 9
4  High level Principles and Concepts [R8]
5  Architecture model and reference points [R8]PDF-p. 19
5.1  General
5.2  Reference architecture
5.3  Functional EntitiesPDF-p. 23
5.3.1  3GPP2 1x CS SRVCC interworking solution function (1xCS IWS)
5.3.2  MSC Server enhanced for E-UTRAN/UTRAN (HSPA) to 3GPP UTRAN/GERAN SRVCC
5.3.2a  MSC Server enhanced for vSRVCC [R11]PDF-p. 24
5.3.2b  MSC Server enhanced for CS to PS SRVCC [R11]
5.3.3  MME
5.3.3A  SGSN
5.3.4  UE enhanced for SRVCCPDF-p. 27
5.3.4a  UE enhanced for vSRVCC [R11]
5.3.5  Serving/PDN GW
5.3.6  E-UTRANPDF-p. 28
5.3.6A  UTRAN (HSPA)
5.3.6B  GERAN/UTRAN CS [R11]PDF-p. 29
5.3.7  HSS
5.3.8  PCC
5.4  Reference points

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