Integrated Services Digital Network (ISDN) - Definition and usage of cause and location in Digital Subscriber Signalling System No. one (DSS1) and Signalling System No. 7 ISDN User Part (ISUP) [ITU-T Recommendation Q.850 (1993), modified]
STANDARD published on 1.5.1996
Designation standards: ÖNORM ETS 300485
Note: WITHDRAWN
Publication date standards: 1.5.1996
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: Austrian technische Norm
Category: Technical standards ÖNORM