ČSN ETS 300357 (873575)

Integrated Services Digital Network (ISDN). Completion of Calls to Busy Subscriber (CCBS) supplementary service. Service description

NORM herausgegeben am 1.8.1996

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The information about the standard:

Designation standards: ČSN ETS 300357
Classification mark: 873575
Catalog number: 20198
Publication date standards: 1.8.1996
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN