3 Definitions, symbols and abbreviations

29.2803GPP3GPP Sv interface (MME to MSC, and SGSN to MSC) for SRVCCEvolved Packet System (EPS)Release 17TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

For the purposes of the present document, the following terms and definitions given in 3GPP TS 23.216 [2] apply:

SRVCC

vSRVCC

For the purposes of the present document, the following terms and definitions given in 3GPP TS 23.251 [16] apply:

Anchor PLMN

3.2 Symbols

For the purposes of the present document, the following symbols apply:

3.3 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

C-MSISDN Correlation MSISDN.

GWCN Gateway Core Network

MME/SGSN MME or SGSN.

MOCN Multi-Operator Core Network

SRVCC Single Radio Voice Call Continuity.

STN-SR Session Transfer Number for SRVCC: see 3GPP TS 23.003 [4].

vSRVCC Single Radio Video Call Continuity.