This European Telecommunication Standard (ETS) defines the stage 1 specifications of the Supplementary Service Call Authorized by Dispatcher (SS-CAD) for the Trans-European Trunked RAdio System (TETRA). Stage 1 is an overall service description from the users point of view but does not deal with the details of the human interface itself. This ETS specifies the service description of the supplementary service and the procedures to be expected with successful and unsuccessful outcomes. In addition this ETS specifies the interactions with other TETRA supplementary services and inter-working considerations.
IN_DEVELOPMENT
prSSH ETS 300 392-10-6:1996 ed.1
40.20
DIS ballot initiated: 12 weeks
Feb 9, 2026
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