Integrated Services Digital Network (ISDN);ISDN Packet Mode Bearer Services (PMBS);ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the D-channel of the user access - basic and primary rate (Endorsed by Asociación Espanola de Normalización in February of 2022.)
NORM herausgegeben am 1.2.2022
Designation standards: UNE-ETS 300049ED1
Publication date standards: 1.2.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE