
European digital cellular telecommunications system (Phase 2) - Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system (GSM 03.14)
NORMA vydaná dňa 1.1.1995
Designation standards: ÖNORM ETS 300532
Note: NEPLATNÁ
Publication date standards: 1.1.1995
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Austrian technische Norm
Kategória: Technické normy ÖNORM