European digital cellular telecommunications system (Phase 2). Closed User Group (CUG) supplementary services. Stage 1 (GSM 02.85)
STANDARD published on 1.7.2002
Designation standards: STN ETS 300518
Classification mark: 870518
Catalog number: 20323
Publication date standards: 1.7.2002
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Slovak technical standard
Category: Technical standards STN