DIN EN 300392-10-18:2004-12
Действует
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: Supplementary services stage 1 - Sub-part 18: Barring of Outgoing Calls (BOC) (Endorsement of the English version EN 300392-10-18 V1.3.1 (2003-10) as German standard)
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