EN 300 392-9 V1.3.1 (2004)现行
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Part 9: General requirements for supplementary services
出版：European Telecommunications Standards Institute
专家解读视频
SS EN 300 392-9 Ed. 1 (2001) - Identical
NBN EN 300 392-9:2004 - Identical
NF EN 300392-9:2005 - Identical
I.S. EN 300 392-9:2001 - Identical
NEN EN 300392-9:2004 - Identical
DIN EN 300392-9 (2005-07) - Identical
ONORM EN 300392-9:2005 - Identical
