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/

STANDARD published on 1.3.1997

Czech preface only -
Print design (1.30 USD)

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
Category: Technical standards ČSN