Digital cellular telecommunications system (Phase 2). Call Waiting (CW) and Call Hold (HOLD) supplementary service. Stage 3 (GSM 04.83)
NORM herausgegeben am 1.8.1997
Designation standards: ČSN ETS 300567-ed.2
Classification mark: 872619
Catalog number: 22326
Publication date standards: 1.8.1997
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN