DIN ETS 300392-12-16:2001-08
Отменен
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3; Sub-part 12-16: Pre-emptive Priority Call (PPC) (Endorsement of the English version ETS 300392-12-16:2000-09 as German standard)
