ČSN ETS 300239-ed.2 (879512)

Private Integrated Services Network (PISN). Inter-exchange signalling protocol. Generic functional protocol for the support of supplementary services

NORM herausgegeben am 1.1.1997

Nur das Vorwort ist in der tschechischen Sprache -
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The information about the standard:

Designation standards: ČSN ETS 300239-ed.2
Classification mark: 879512
Catalog number: 21147
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