Digital cellular telecommunication system - Call Barring (CB) supplementary services - Stage 3 (GSM 04.88 version 5.1.1)
STANDARD published on 1.8.1999
Designation standards: ČSN ETS 300956-ed.2
Classification mark: 872731
Catalog number: 56271
Publication date standards: 1.8.1999
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN