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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN) - Completion of Calls to Busy Subcriber (CCBS) supplementary service - Digital Subcriber 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 1.8.1998
Selected format:Integrated Services Digital Network (ISDN) - Completion of Calls to Busy Subcriber (CCBS) supplementary service - Digital Subcriber 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 1.7.1999
Selected format:Digitální síť integrovaných služeb (ISDN) - Dokončení spojení k obsazenému účastníkovi (CCBS) - Doplňková služba - 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 1.3.2001
Selected format:Digitální síť integrovaných služeb (ISDN) - Dokončení spojení k obsazenému účastníkovi (CCBS) - Doplňková služba - 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 1.6.2002
Selected format:Integrated Services Digital Network (ISDN). Completion of Calls to Busy Subscriber (CCBS) supplementary service. Functional capabilities and information flows
Standard published on 1.8.1996
Selected format:Signalling Protocols and Switching (SPS). Q3 interface at the Access Network (AN) for fault and performance management of V5 interfaces and associated user ports. Part 1: Q3 interface specification
Standard published on 1.9.1996
Selected format:Telecommunications Management Network (TMN) - Q3 interface at the Access Network (AN) for fault and performance management of V5 interfaces and associated user ports - Part 1: Q3 interface specification
Standard published on 1.8.2000
Selected format:Signalling Protocols and Switching (SPS). Q3 interface at the Local Exchange (LE) for fault and performance management of V5 interfaces and associated customer profiles. Part 1: Q3 interface specification
Standard published on 1.9.1996
Selected format:Telecommunications Management Network (TMN) - Q3 interface at the Local Exchange (LE) for fault and performance management of V5 interfaces and associated customer profiles - Part 1: Q3 interface specification
Standard published on 1.8.2000
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 1: General aspects [ITU-T Recommendation Q.920 (1993, modified]
Standard published on 1.9.1996
Selected format:Latest update: 2025-09-08 (Number of items: 2 231 996)
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