ČSN ETS 300485-ed.1 (877091)

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/

NORM herausgegeben am 1.3.1997

Nur das Vorwort ist in der tschechischen Sprache -
Gedruckt (1.20 EUR)

The information about the standard:

Designation standards: ČSN ETS 300485-ed.1
Classification mark: 877091
Catalog number: 21499
Publication date standards: 1.3.1997
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN