Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification (incl. Diskette!!!)
NORMA vydaná dňa 1.10.1998
Designation standards: ÖNORM EN 300210-1-V1.2.4
Publication date standards: 1.10.1998
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: Austrian technische Norm
Kategória: Technické normy ÖNORM