Content for TS 23.135 Word version: 18.0.0
1 Scope p. 5
The present document gives the stage 2 description of the Multicall supplementary service.
2 References p. 5
The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
- References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
- For a specific reference, subsequent revisions do not apply.
- For a non-specific reference, the latest version applies.
[1]
TR 21.905: "3GPP Vocabulary".
[2]
TS 22.100: "UMTS Phase 1".
[3]
TS 22.105: "Services & Service capabilities".
[4]
TS 22.135: "Multicall Stage 1".
[5]
TS 23.009: "Handover procedures".
[6]
TS 23.011: "Technical realisation of supplementary services".
[7]
TS 23.018: "Basic call handling; Technical realization".
[8]
TS 23.083: "Call Waiting (CW) and Call Hold (HOLD) Supplementary Service - Stage 2".
[9]
TS 24.008: "Mobile radio interface layer 3 specification Core Network Protocol - Stage 3".
3 Definitions and abbreviations p. 6
3.1 Definitions p. 6
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 p. 6
Abbreviations used in the present document are listed in TR 21.905.
