Digital cellular telecommunications system (Phase 2+) (GSM); Voice Group Call Service (VGCS); Stage 2 (GSM 03.68 version 6.1.0 Release 1997)
NORM herausgegeben am 31.7.1998
Designation standards: ETSI TS 100933-V6.1.0
Publication date standards: 31.7.1998
The number of pages: 67
Approximate weight : 201 g (0.44 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI