ETSI EN 300 392-12-6 V1[2].3.1 (2006-02) Terrestrial Trunked Radio (TETRA); Voice plus Data (V﹢D); P
标准简介
ETSI EN 300 392-12-6 V1[2].3.1 (2006-02) Terrestrial Trunked Radio (TETRA); Voice plus Data (V﹢D); Part 12 Supplementary services stage 3; Sub-part 6 Call Authorized by Dispatcher (CAD)
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