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ČSN is a protected designation of Czech national technical standards.
WITHDRAWN published on 1.6.1996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WITHDRAWN published on 1.6.1996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WITHDRAWN published on 1.6.1996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WITHDRAWN published on 1.6.1996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:Integrated Service Digital Network (ISDN). Explicit Call Transfer (ECT) supplementary service. Digital Subscriber Signalling System No. one (DSS 1) protocol. Part 1: Protocol specification
Standard published on 1.8.1996
Selected format:Integrated Service Digital Network (ISDN) - Explicit Call Transfer (ECT) supplementary service - Digital Subscriber Signalling System No. one (DSS 1) protocol - Part 1: Protocol specification
Standard published on 1.10.1999
Selected format:Integrated Service Digital Network (ISDN). Explicit Call Transfer (ECT) supplementary service. Digital Subscriber Signalling System No. one (DSS 1) protocol. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.7.1997
Selected format:Integrated Service Digital Network (ISDN) - Explicit Call Transfer (ECT) supplementary service - Digital Subscriber Signalling System No. one (DSS 1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.10.1999
Selected format:Latest update: 2026-01-14 (Number of items: 2 254 595)
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