Digital cellular telecommunications system (Phase 2+) (GSM); Mobile radio interface layer 3; Supplementary services specification; Formats and coding (GSM 04.80 version 6.1.0 Release 1997)
NORMA vydaná dňa 30.7.1998
Designation standards: ETSI TS 100950-V6.1.0
Note: NEPLATNÁ
Publication date standards: 30.7.1998
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: European technical standard
Kategória: Technické normy ETSI