European digital cellular telecommunications system (Phase 1); Support of DTMF via the GSM System (GSM 03.14)
NORM herausgegeben am 1.1.1995
Designation standards: ETSI GTS 03.14-V3.0.2
Publication date standards: 1.1.1995
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI