Integrated Services Digital Network (ISDN); Supplementary service interactions; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification (Endorsed by AENOR in February of 2004.)
NORMA vydaná dňa 1.2.2004
Designation standards: UNE-EN 300195-1V2.1.1
Publication date standards: 1.2.2004
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE