DIN EN 300392-12-23:2012-11
Действует
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 23: Call Completion on No Reply (CCNR) (Endorsement of the English version EN 300392-12-23 V1.2.1 (2012-04) as German standard)
— 2 стр.
