
Digital cellular telecommunications system (Phase 2+) (GSM); Explicit Call Transfer (ECT) supplementary service; Stage 2 (GSM 03.91 version 6.0.0 Release 1997)
NORMA vydána dne 30.4.1999
Designation standards: ETSI TS 101637-V6.0.0
Publication date standards: 30.4.1999
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI