Digital cellular telecommunications system (Phase 2+) (GSM); Explicit Call Transfer (ECT) supplementary service; Stage 2 (GSM 03.91)
NORMA vydána dne 31.7.1996
Designation standards: ETSI GTS GSM 03.91-V5.0.2
Publication date standards: 31.7.1996
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI