European digital cellular telecommunications system (Phase 2). Call Waiting (CW) and Call Hold (HOLD) supplementary services. Stage 3 (GSM 04.83)
NORM herausgegeben am 1.7.2002
Designation standards: STN ETS 300567
Classification mark: 870567
Catalog number: 20359
Publication date standards: 1.7.2002
The number of pages: 21
Approximate weight : 63 g (0.14 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN