DIN EN 300392-12-22-2005 地面中继无线电(TETRA).声音加数据(V+D).第12部分:补充业务阶段3.第22分部分:动态组号码分配(DGNA)
Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 22: Dynamic Group Number Assignment (DGNA) (Endorsement of the English version EN 300392-12-22 V1.3.1 (2005-04) as German standard)