Integrated Services Digital Network (ISDN) - Call Forwarding No Reply (CFNR) supplementary service - Service description
NORMA vydaná dňa 1.8.2001
Designation standards: ÖNORM EN 300201-V1.2.1
Publication date standards: 1.8.2001
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: Austrian technische Norm
Kategória: Technické normy ÖNORM