DS/ETS 300392-11-11
Terrestrial Trunked Radio (TETRA); Voice plus Data(V+D); Part 11: Supplementary services stage 2; Sub-part 11: Call Waiting (CW)
| Organization: | DS |
| Publication Date: | 27 November 2001 |
| Status: | active |
| ICS Code (Terrestrial Trunked Radio (TETRA)): | 33.070.10 |
scope:
The present ETS specifies the stage 2 description of the Supplementary Service Call Waiting (SS-CW) for the Terrestrial Trunked Radio (TETRA). SS-CW permits a called user to acknowledge an incoming individual call while he is already busy. Subsequently that user shall have the choice to accept, reject or ignore that incoming call. Man-Machine Interface (MMI) and charging principles are outside of the scope of this ETS.
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