EN 300 392-12-4 : 1.3.1現行
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
專家解讀視頻
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).
NEN EN 300392-12-4 : 2016 - Identical
PN EN 300 392-12-4 : 2017 - Identical
DS EN 300392-12-4 : 2016 - Identical
DIN EN 300392-12-4 : 2012 - Identical
NBN EN 300 392 12-4 : 2012 - Identical
NF EN 300392 12-4 : 2012 - Identical
