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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN) Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access. Layer 3 aspects (including Amendment A1)
Standard published on 1.6.1995
Selected format:Integrated Services Digital Network (ISDN). Application of the ISDN user part of CCITT Signalling System No. 7 for international ISDN interconnections (ISUP version 1)
Standard published on 1.11.1994
Selected format:Digitální síť integrovaných služeb (ISDN) - Aplikace uživatelské části (ISUP) signalizačního systému číslo 7 (SS7) ISDN pro mezinárodní propojení ISDN podle ITU-T (ISUP verze 1) - Změna 1: Schéma přednosti mezinárodní tísňové služby (IEPS) [mod ITU-T Q.767/A1: 2002] (Norma k přímému použití jako ČSN).
Standard published on 1.12.2003
Selected format:Integrated Services Digital Network (ISDN). Generic keypad protocol for the support of supplementary services. Digial Subscriber Signalling System No. one (DSS1) protocol. Part 1: Protocol specification
Standard published on 1.6.1995
Selected format:Integrated Services Digital Network (ISDN) - Generic keypad protocol for the support of supplementary services - Digital Subscriber Signalling System No.one (DSS1) protocol - Part 1: Protocol apecification
Standard published on 1.7.1999
Selected format:Integrated Services Digital Network (ISDN). Generic keypad protocol for the support of supplementary services. Digital Subscriber Signalling System No. one (DSS1) protocol. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.12.1997
Selected format:Integrated Services Digital Network (ISDN) - Generic keypad protocol for the support of supplementary services - Digital Subscriber Signalling System No.one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.7.1999
Selected format:Integrated Service Digital Network (ISDN). User-network interface data link layer specification. Application of CCITT Recommendations Q.920/I.440 a Q.921/I.441
Standard published on 1.6.1995
Selected format:Integrated Services Digital Network (ISDN). Malicious Call Identification (MCID) supplementary service. Funtional capabilities and information flows
Standard published on 1.6.1995
Selected format:Integrated Services Digital Network (ISDN). Malicious Call Identification (MCID) supplementary service. Digital Subscriber Signalling System No. one (DSS1) protocol
Standard published on 1.6.1995
Selected format:Latest update: 2026-01-16 (Number of items: 2 254 749)
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