European digital cellular telecommunications system (Phase 2). Unstructured Supplementary Service Data (USSD). Stage 3 (GSM 04.90)
STANDARD published on 1.4.1996
Designation standards: ČSN ETS 300572
Classification mark: 872624
Catalog number: 19417
Publication date standards: 1.4.1996
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN