Digital cellular telecommunications system; Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system (GSM 03.14)
NORM herausgegeben am 30.11.1996
Designation standards: ETSI GTS GSM 03.14-V5.0.0
Publication date standards: 30.11.1996
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI