Integrated Services Digital Network (ISDN);Direct Dialling In (DDI) supplementary service;Digital Subscriber Signalling System No. one (DSS1) protocol;Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification (Endorsed by Asociación Espanola de Normalización in February of 2022.)
NORM herausgegeben am 1.2.2022
Designation standards: UNE-ETS 300064-2ED1
Publication date standards: 1.2.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE