DS/ETS 300392-10-24 Ed.2
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 24: Call Retention (CRT)
active, Most Current
| Organization: | DS |
| Publication Date: | 15 December 2000 |
| Status: | active |
| ICS Code (Terrestrial Trunked Radio (TETRA)): | 33.070.10 |
scope:
This ETS specifies the supplementary service Call Retention SS-CRT which is applicable to various basic services supported by TETRA SwMIs. Basic services are specified in ETS 300 392-2 [4]. SS-CRT is a supplementary service which applies either during call establishment or once call is established to protect a call from pre-emption by another call of lower priority. Supplementary service specifications are produced in three stages, according to the method described in ITU-T Recommendation I.210 [2]. The present document contains the stage 1 specifications of SS-CRT. The stage 1 descriptions specify the supplementary services as seen by users of networks.
Document History
DS/ETS 300392-10-24 Ed.2
December 15, 2000
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 10: Supplementary services stage 1; Sub-part 24: Call Retention (CRT)
This ETS specifies the supplementary service Call Retention SS-CRT which is applicable to various basic services supported by TETRA SwMIs. Basic services are specified in ETS 300 392-2 [4]. SS-CRT is...
May 12, 1997
Radio Equipment and Systems (RES) - Trans-European Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Part 10-24: Call retention
This European Telecommunication Standard (ETS) defines the stage 1 specifications of the Supplementary Service Call Retention (SS-CRT) for the Trans-European Trunked RAdio (TETRA). Stage 1 is an...
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