3 Definitions and abbreviations

23.1353GPPMulticall supplementary serviceRelease 17Stage 2TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in TS 22.135 and the following apply.

Speech Call: speech call means one of TS11 (Telephony), TS12 (Emergency call), TS61 (Alternate speech and facsimile group 3).

3.2 Abbreviations

Abbreviations used in the present document are listed in TR 21.905.