Digital cellular telecommunications system; Unstructured Supplementary Service Data (USSD); Stage 1 (GSM 02.90)
NORMA vydaná dňa 30.11.1996
Designation standards: ETSI GTS GSM 02.90-V5.0.0
Publication date standards: 30.11.1996
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: European technical standard
Kategória: Technické normy ETSI