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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN) - Supplementary service interactions - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network
Standard published on 1.10.1999
Selected format:Digitální síť integrovaných služeb (ISDN) - Interakce doplňkových služeb - Protokol digitálního účastnického signalizačního systému číslo jedna (DSS1) - Část 6: Abstraktní testovací sestava (ATS) a specifikace dílčí proformy dodatečné informace o implementaci protokolu pro testování (PIXIT) síťové části (Norma k přímému použití jako ČSN).
Standard published on 1.7.2001
Selected format:Integrated Services Digital Network (ISDN). Signalling interworking specification for ISDN User Part (ISDN) version 2
Standard published on 1.4.1996
Selected format:
WITHDRAWN published on 1.6.1996
Selected format:
WITHDRAWN published on 1.6.1996
Selected format:
WITHDRAWN published on 1.6.1996
Selected format:
WITHDRAWN published on 1.6.1996
Selected format:
WITHDRAWN published on 1.6.1996
Selected format:Integrated Service Digital Network (ISDN). Explicit Call Transfer (ECT) supplementary service. Functional capabilities and information flows
Standard published on 1.8.1996
Selected format:Integrated Service Digital Network (ISDN) - Explicit Call Transfer (ECT) supplementary service - Functional capabilities and information flows
Standard published on 1.1.2000
Selected format:Latest update: 2025-12-24 (Number of items: 2 253 093)
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