Integrated Services Digital Network (ISDN). Telephony 7 kHz and videotelephony teleservices. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 1: Protocol specification
NORM herausgegeben am 1.10.1994
Designation standards: STN ETS 300267-1
Classification mark: 870267
Catalog number: 71405
Publication date standards: 1.10.1994
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN