European digital cellular telecommunications system (Phase 2). Closed User Group (CUG) supplementary services. Stage 2 (GSM 03.85)
STANDARD published on 1.7.2002
Designation standards: STN ETS 300546
Classification mark: 870546
Catalog number: 20331
Publication date standards: 1.7.2002
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Category: Technical standards STN