Digital cellular telecommunications system (Phase 2+) (GSM). General on supplementary services (GSM 02.04 version 7.1.2 Release 1998)
NORM herausgegeben am 1.4.2001
Designation standards: STN EN 300918-V7.1.2
Classification mark: 870918
Catalog number: 17118
Publication date standards: 1.4.2001
The number of pages: 23
Approximate weight : 69 g (0.15 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN