Integrated Services Digital Network (ISDN);Digital Subscriber Signalling System No. one (DSS1) protocol;Teleaction service;Part 1: Protocol specification (Endorsed by Asociación Espanola de Normalización in October of 2021.)
NORMA vydána dne 1.10.2021
Designation standards: UNE-EN 301145-1V1.1.4
Publication date standards: 1.10.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE