Integrated Services Digital Network (ISDN); Supplementary service interactions
NORM herausgegeben am 29.9.2000
Designation standards: ETSI EG 201817-V1.1.1
Publication date standards: 29.9.2000
The number of pages: 58
Approximate weight : 174 g (0.38 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI