Digital cellular telecommunications system (Phase 2+) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 (GSM 04.83 version 7.0.1 Release 1998)
NORM herausgegeben am 1.4.2000
Designation standards: ÖNORM EN 300953-V7.0.1
Publication date standards: 1.4.2000
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM