ČSN ETS 300257-ed.2 (879515)

Private Integrated Services Network (PISN). Inter-exchange signalling protocol. Diversion supplementary services

NORM herausgegeben am 1.1.1997

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The information about the standard:

Designation standards: ČSN ETS 300257-ed.2
Classification mark: 879515
Catalog number: 21148
Publication date standards: 1.1.1997
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN