Integrated Services Digital Network (ISDN); Outgoing Call Barring (OCB) supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification (Endorsed by AENOR in August of 2006.)
NORM herausgegeben am 1.8.2006
Designation standards: UNE-EN 301001-1V1.2.2
Publication date standards: 1.8.2006
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE