European digital cellular telecommunications system (Phase 2). Procedure for call progress indications (GSM 02.40)
NORM herausgegeben am 1.11.1996
Designation standards: ČSN ETS 300512
Classification mark: 872544
Catalog number: 20875
Publication date standards: 1.11.1996
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN