Integrated Services Digital Network (ISDN); Connected Line Identification Restriction (COLR) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification
NORMA vydána dne 30.6.1998
Designation standards: ETSI EN 300098-1-V1.2.4
Publication date standards: 30.6.1998
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI