Digital cellular telecommunications system (Phase 2+) (GSM); Call Waiting (CW) and Call Holding (HOLD); Supplementary Services - Stage 1 (GSM 02.83 version 7.0.0 Release 1998)
NORM herausgegeben am 13.8.1999
Designation standards: ETSI TS 100516-V7.0.0
Publication date standards: 13.8.1999
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI