European digital cellular telecommunications system (Phase 2). Closed User Group (CUG) supplementary services - stage 2 (GSM 03.85)
STANDARD published on 1.8.1996
Designation standards: ČSN ETS 300546
Classification mark: 872637
Catalog number: 19973
Publication date standards: 1.8.1996
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN