Digital cellular telecommunications system; Unstructured Supplementary Service Data (USSD); Stage 2 (GSM 03.90)
NORM herausgegeben am 15.12.1996
Designation standards: ETSI GTS GSM 03.90-V5.0.0
Publication date standards: 15.12.1996
The number of pages: 35
Approximate weight : 105 g (0.23 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI