Integrated Services Digital Network (ISDN);Outgoing Call Barring-Fixed (OCB-F) supplementary service;Service description (Endorsed by Asociación Espanola de Normalización in September of 2021.)
NORM herausgegeben am 1.9.2021
Designation standards: UNE-EN 301082V1.1.1
Publication date standards: 1.9.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE