DIN EN 300392-11-17-2003 地面无线中继线路(TETRA).声音加数据(V+D).第11部分:补充业务阶段2.第17分部分:包括呼叫(IC)
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 11: Supplementary services stage 2; Sub-part 17: Include Call (IC) (Endorsement of the English version EN 300392-11-17 V 1.1.2 (2002-01) as German standard)