Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 supplementary services specification; Formats and coding (GSM 04.80 version 6.1.1 Release 1997)
NORM herausgegeben am 26.2.1999
Designation standards: ETSI TS 100950-V6.1.1
Note: UNGÜLTIG
Publication date standards: 26.2.1999
The number of pages: 46
Approximate weight : 138 g (0.30 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI