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ČSN is a protected designation of Czech national technical standards.
Broadband Integrated Services Digital Network (B-ISDN). Signalling ATM Adaptation Layer (SAAL). Service Specific Co-ordination Function (SSCF) for support of signalling at the Network Node Interfaces (NNI). Part 1: Specification of SSCF at NNI [ITU-T Recommendation Q.2140, modified]
Standard published on 1.9.1996
Selected format:Širokopásmová digitální síť integrovaných služeb (B-ISDN) - Signalizační ATM adaptační vrstva (SAAL) - Funkce koordinování specifických služeb (SSCF) pro podporu signalizace na rozhraní síťového uzlu (NNI) - Část 1: Specifikace SSCF na NNI /doporučení ITU-T Q.2140 (1995), mod/.
Correction published on 1.7.1997
Selected format:Broadband Integrated Services Digital Network }B/ISDN] / Signalling ATM Adaptation Layer (SAAL) - Service Specific Co-ordination Function (SSCF) for support of signalling at the Network Node Interface (NNI) - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.3.1999
Selected format:Integrated Services Digital Network (ISDN) - ISDN - Global System for Mobile communications (GSM) Public Land Mobile Network (PLMN) signalling interface - Test specification
Standard published on 1.3.1997
Selected format:Integrated Services Digital Network (ISDN) - Definition and usage of cause and location in Digital Subscriber Signalling System No.one (DSS1) and Signalling System No.7 ISDN User Part (ISUP) /ITU-T Recommendation Q.850(1993), modified/
Standard published on 1.3.1997
Selected format:Integrated Services Digital Network (ISDN) - Definition and usage of cause and location in Digital Subscriber Signalling System No. one (DSS1) and Signalling System No.7 ISDN User Part (ISUP)
Standard published on 1.8.2000
Selected format:Digitální síť integrovaných služeb (ISDN) - Definice, použití a umístění v digitálním účastnickém signalizačním systému číslo jedna (DSS1) a uživatelské části signalizačního systému číslo 7 (ISUP) (mod ITU-T Q.850:1998) (Norma k přímému použití jako ČSN).
Standard published on 1.10.2001
Selected format:Integrated Services Digital Network (ISDN). Freephone (FPH) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 1: Protocol specification
Standard published on 1.1.1997
Selected format:Integrated Services Digital Network (ISDN) - Freephone (FPH) supplementary service - Digital Subscriber Signalling System No.one (DSS1) protocol - Part 1: Protocol specification
Standard published on 1.7.1999
Selected format:Integrated Services Digital Network (ISDN). Freephone (FPH) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 2: Protocol Implementation Conformance Statement (PICS) proforma Specification
Standard published on 1.1.1997
Selected format:Latest update: 2025-09-05 (Number of items: 2 231 903)
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