Integrated Services Digital Network (ISDN) - Telephony 7 kHz and videotelephony teleservices - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1 ..(abbreviated)
STANDARD published on 1.5.1994
Designation standards: ÖNORM ETS 300267-1
Note: WITHDRAWN
Publication date standards: 1.5.1994
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM