INTEGRATED SERVICES DIGITAL NETWORK (ISDN) - TERMINAL PORTABILITY (TP) SUPPLEMENTARY SERVICE - DIGITAL SUBSCRIBER SIGNALLING SYSTEM NO. ONE (DSS1) PROTOCOL - PART 1: PROTOCOL SPECIFICATION. (Endorsed by AENOR in December of 1999.)
NORM herausgegeben am 1.12.1999
Designation standards: UNE-EN 300055-1:1998
Publication date standards: 1.12.1999
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE