DS/ETS 300392-12-24
Terrestrial Trunked Radio (TETRA); Voice plus Data(V+D); Part 12: Supplementary services stage 3; Sub-part 24: Call Retention (CRT)
active, Most Current
| Organization: | DS |
| Publication Date: | 27 November 2001 |
| Status: | active |
| ICS Code (Terrestrial Trunked Radio (TETRA)): | 33.070.10 |
scope:
This ETS specifies the supplementary service Call Retention 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.
Document History
DS/ETS 300392-12-24
November 27, 2001
Terrestrial Trunked Radio (TETRA); Voice plus Data(V+D); Part 12: Supplementary services stage 3; Sub-part 24: Call Retention (CRT)
This ETS specifies the supplementary service Call Retention 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...
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