Integrated Services Digital Network (ISDN). Conference call, add-on (CONF) supplementary service. Functional capabilities and information flows
NORM herausgegeben am 1.8.1994
Designation standards: STN ETS 300184
Classification mark: 870184
Catalog number: 71395
Publication date standards: 1.8.1994
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN