Integrated Services Digital Network (ISDN); Signalling System No.7; ISDN User Part (ISUP); Application transport mechanism; Part 1: Protocol specification [ITU-T Recommendation Q.765, modified] (Endorsed by Asociación Espanola de Normalización in June of 2020.)
NORM herausgegeben am 1.6.2020
Designation standards: UNE-EN 301069-1V1.2.4
Publication date standards: 1.6.2020
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE