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 (SS7) ISDN User Part (ISUP) [ITU-T Recommendation Q.850 (1998) with addendum modified]
NORM herausgegeben am 10.4.2001
Designation standards: ETSI EN 300485-V1.3.1
Publication date standards: 10.4.2001
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI