ČSN ETS 300141-2-ed.1 (877032)

Integrated Services Digital Network (ISDN). Call Hold (HOLD) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification

NORM herausgegeben am 1.12.1997

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

Designation standards: ČSN ETS 300141-2-ed.1
Classification mark: 877032
Catalog number: 50639
Publication date standards: 1.12.1997
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN