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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN). Signalling System No. 7. ISDN User Part (ISUP) version 2 for the international interface. Part 10: Subaddressing (SUB) supplementary service [ITU-T Recommendation Q.731, section 8 (1992), modified]
Standard published on 1.4.1996
Selected format:Integrated Services Digital Network (ISDN) - Signalling System No.7 - ISDN User Part (ISUP) version 3 for the international interface - Part 10: Subaddressing (SUB) supplementary services
Standard published on 1.8.1999
Selected format:Digitální síť integrovaných služeb (ISDN) - Signalizační systém číslo 7 (SS7) - Uživatelská část ISDN (ISUP) verze 4 pro mezinárodní rozhraní - Část 10: Subadresování (SUB) - Doplňková služba (mod ITU-T Q.731: 1992) (Norma k přímému použití jako ČSN).
Standard published on 1.3.2002
Selected format:Integrated Services Digital Network (ISDN). Signalling System No. 7. ISDN User Part (ISUP) version 2 for the international interface. Part 11: Malicious Call Identification (MCID) supplementary service
Standard published on 1.4.1996
Selected format:Integrated Services Digital Network (ISDN) - Signalling System No.7 - ISDN User Part (ISUP) version 3 for the international interface - Part 11: Malicious Call Identification (MCID) supplementary services
Standard published on 1.8.1999
Selected format:Digitální síť integrovaných služeb (ISDN) - Signalizační systém číslo 7 (SS7) - Uživatelská část ISDN (ISUP) verze 4 pro mezinárodní rozhraní - Část 11: Identifikace zlomyslného volání (MCID) - Doplňková služba (mod ITU-T Q.731: 1997) (Norma k přímému použití jako ČSN).
Standard published on 1.3.2002
Selected format:Integrated Services Digital Network (ISDN). Signalling System No. 7. ISDN User Part (ISUP) version 2 for the international interface. Part 12: Conference call, add-on (CONF) supplementary service [ITU-T Recommendation Q.734, clause 1 (1993), modified]
Standard published on 1.4.1996
Selected format:Integrated Services Digital Network (ISDN) - Signalling System No.7 - ISDN User Part (ISUP) version 3 for the international interface - Part 12: Conference Call, add-on (CONF) supplementary services
Standard published on 1.8.1999
Selected format:Digitální síť integrovaných služeb (ISDN) - Signalizační systém číslo 7 (SS7) - Uživatelská část ISDN (ISUP) verze 4 pro mezinárodní rozhraní - Část 12: Konferenční spojení, postupně sestavovaná konference (CONF) - Doplňková služba (mod ITU-T Q.734: 1993) (Norma k přímému použití jako ČSN).
Standard published on 1.3.2002
Selected format:Integrated Services Digital Network (ISDN). Signalling System No. 7. ISDN User Part (ISUP) version 2 for the international interface. Part 14: Explicit Call Transfer (ECT) supplementary service
Standard published on 1.4.1996
Selected format:Latest update: 2025-12-18 (Number of items: 2 252 678)
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