Integrated Services Digital Network (ISDN) - Completion of Calls on No Reply (CCNR) supplementary service - Digital Subscriber Signalling System No.one (DSS1) protocol - Part 1: Protocol specification
NORM herausgegeben am 1.10.1999
Designation standards: ČSN EN 301065-1-V1.2.2
Classification mark: 877144
Catalog number: 56826
Publication date standards: 1.10.1999
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN