Digital cellular telecommunications system (Phase 2+) (GSM); Voice Group Call Service (VGCS); Stage 2 (GSM 03.68 version 5.1.2)
STANDARD published on 30.5.1997
Designation standards: ETSI ETS 300933-ed.1
Publication date standards: 30.5.1997
The number of pages: 36
Approximate weight : 108 g (0.24 lbs)
Country: European technical standard
Category: Technical standards ETSI