DIN EN 300392-12-4:2012-12
Отменен
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 4: Call Forwarding (CF) (Endorsement of the English version EN 300 392-12-4 V1.3.1 (2012-04) as German standard)
— 2 стр.
