DIN EN 300392-12-17:2003-04
Действует
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 17: Include Call (IC) (Endorsement of the English version EN 300392-12-17 V 1.1.2 (2002-01) as German standard)
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