ETS 300 392-12-24 : 20001
Current
The latest, up-to-date edition.
TERRESTRIAL TRUNKED RADIO (TETRA); VOICE PLUS DATA (V+D); PART 12: SUPPLEMENTARY SERVICES STAGE 3; SUB-PART 24: CALL RETENTION (CRT)
Hardcopy , PDF
English
Foreword
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 Signalling protocol for the support of SS-CRT
4.1 SS-CRT description
4.2 SS-CRT services offered over the TNSS-SAP
5 Signalling procedures for the support of SS-CRT
5.1 SS-CRT operational requirements
5.2 SS-CRT coding requirements
5.3 SS-CRT state definitions
5.4 SS-CRT signalling procedures
5.5 Interworking
5.6 Protocol interactions between SS-CRT and other
supplementary services and ANFs
Annex A (informative): Examples of message sequences
Annex B (informative): Specification and Description
Language (SDL) representation of procedures
B.1 SS-CRT at the Originating MS/LS
B.2 SS-CRT at the Originating SwMI
B.3 SS-CRT at the Transit SwMI
B.4 SS-CRT at the Terminating SwMI
B.5 SS-CRT at the Terminating (Called User) MS/LS
History
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