Integrated Services Digital Network (ISDN). Call Forwarding No Reply (CFNR) supplementary service. Service description
NORM herausgegeben am 1.2.2002
Designation standards: STN EN 300201-V1.2.1
Classification mark: 870201
Catalog number: 19728
Publication date standards: 1.2.2002
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN