Digital cellular telecommunications system (Phase 2+) (GSM). General on supplementary services (GSM 02.04 version 5.7.4 Release 1996)
NORM herausgegeben am 1.4.2001
Designation standards: STN ETS 300918-vyd.5
Classification mark: 870918
Catalog number: 17117
Publication date standards: 1.4.2001
The number of pages: 22
Approximate weight : 66 g (0.15 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN