ČSN ETS 300122-1 (877024)

Integrated Services Digital Network (ISDN). Generic keypad protocol for the support of supplementary services. Digial Subscriber Signalling System No. one (DSS1) protocol. Part 1: Protocol specification

NORM herausgegeben am 1.6.1995

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

The information about the standard:

Designation standards: ČSN ETS 300122-1
Classification mark: 877024
Catalog number: 17845
Publication date standards: 1.6.1995
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN