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TS 29.277 (CT4)
Optimized Handover procedures and protocol
between E-UTRAN access and non-3GPP accesses (S102) – Stage 3

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(P) V14.0.0    2017/03    13 p.
(P) V13.0.0    2015/12    13 p.
(P) V12.0.0    2013/12    13 p.
(P) V11.1.0    2012/12    13 p.
(P) V10.1.0    2012/06    13 p.
(P) V9.2.0    2010/06    13 p.
(P) V8.6.0    2010/06    13 p.

Rapporteur:  Mr. Salot, Nirav
See also:  TS 23.216     TS 29.280    

This TS specifies the stage 3 of the Evolved Packet System S102 interface between the MME and the 1x CS IWS to relay the 1xCS signalling messages documented in TS 23.216.

1x CS signalling messages are those messages that are defined for A21 interface as described in 3GPP2 A.S0008-C and 3GPP2 A.S0009-C. The S102 interface messages shall be based on A21 messages.

The S102 interface is used to support UEs that do not transmit and receive on both the LTE and 1x radio interfaces simultaneously. S102 protocol aspects for SRVCC from E-UTRAN access to 3GPP2 1xCS is covered in this specification. Handling of non-voice component and protocol aspects for SRVCC from 3GPP2 1xCS to E-UTRAN direction is not specified in this release.


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