Integrated Services Digital Network (ISDN);Connected Line Identification Restriction (COLR) supplementary service;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 1: Protocol specification (Endorsed by Asociación Espanola de Normalización in March of 2022.)
NORMA vydána dne 1.3.2022
Designation standards: UNE-ETS 300098-1ED1
Publication date standards: 1.3.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE