
Digital cellular telecommunications system (Phase 2+) - Call Waiting (CW) and Call Hold (HOLD) supplementary services - Stage 3 (GSM 04.83 version 6.0.1 Release 1997)
NORM herausgegeben am 1.11.1999
Designation standards: ÖNORM EN 300953-V6.0.1
Note: UNGÜLTIG
Publication date standards: 1.11.1999
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM