Integrated Services Digital Network (ISDN). Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 1: Protocol specification
NORM herausgegeben am 1.7.2002
Designation standards: STN EN 300267-1-V1.2.2
Classification mark: 870267
Catalog number: 87977
Publication date standards: 1.7.2002
The number of pages: 66
Approximate weight : 198 g (0.44 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN