Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3 supplementary services specification; Formats and coding (GSM 04.80 version 5.0.2)
NORM herausgegeben am 30.5.1997
Designation standards: ETSI ETS 300950-ed.1
Publication date standards: 30.5.1997
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI