EN 300 392-12-4 : 1.3.1现行
TERRESTRIAL TRUNKED RADIO (TETRA); VOICE PLUS DATA (V+D); PART 12: SUPPLEMENTARY SERVICES STAGE 3; SUB-PART 4: CALL FORWARDING (CF)
出版：European Telecommunications Standards Institute
专家解读视频
Describes the stage 3 description of the Supplementary Services CFU Call Forwarding Unconditional, CFB Call Forwarding on Busy, CFNRy Call Forwarding on No Reply and CFNRc Call Forwarding on Not Reachable for the Terrestrial Trunked Radio (TETRA).
NF EN 300392 12-4 : 2012 - Identical
NBN EN 300 392 12-4 : 2012 - Identical
DIN EN 300392-12-4 : 2012 - Identical
DS EN 300392-12-4 : 2016 - Identical
PN EN 300 392-12-4 : 2017 - Identical
NEN EN 300392-12-4 : 2016 - Identical
