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

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(P) V14.0.0    2016/09    72 p.
(P) V13.2.0    2016/09    73 p.
(P) V12.4.0    2016/06    71 p.
(P) V11.11.0    2014/06    70 p.
(P) V10.6.0    2013/06    47 p.
(P) V9.9.0    2012/03    45 p.
(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 Entities   PDF-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 SRVCC   PDF-p. 27
5.3.4a   UE enhanced for vSRVCC [R11]
5.3.5   Serving/PDN GW
5.3.6   E-UTRAN   PDF-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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