Digital cellular telecommunications system (Phase 2+) - Explicit Call Transfer (ECT) supplementary service - Stage 3 (GSM 04.91 version 5.1.2)
NORM herausgegeben am 1.7.1998
Designation standards: ČSN ETS 300958-ed.1
Classification mark: 872733
Catalog number: 52562
Publication date standards: 1.7.1998
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN