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ČSN is a protected designation of Czech national technical standards.
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No.two (DSS2) protocol - Connected Line Identification Restriction (COLR) supplementary service - Part 1: Protocol specification [ITU-T Recommendation Q.2951, clause 6 (1995), modified]
Standard published on 1.10.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN). Digital Subscriber Signalling System No. two (DSS2) protocol. Connected Line Identification Restriction (COLR) supplementary service. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.12.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No.two (DSS2) protocol - Subaddressing (SUB) supplementary service - PArt 1: Protocol specification [ITU-T Recommendation Q.2951, clause 8 (1995), modified]
Standard published on 1.10.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN). Digital Subscriber Signalling System No. two (DSS2) protocol. Subaddressing (SUB) supplementary service. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.12.1997
Selected format:Broadband Integrated services Digital Network (B-ISDN) - Digital Subscriber Signalling System No.two (DSS2) protocol - User-to-User Signalling (UUS) supplementary service - Part 1: Protocol specification [ITU-T Recommendation Q.2951, clause 1 (1995), modified]
Standard published on 1.10.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN). Digital Subscriber Signalling System No. two (DSS2) protocol. User-to-User Signalling (UUS) supplementary service. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.12.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No.two (DSS2) protocol - Supplementary service interactions - Part 1: Protocol specification
Standard published on 1.10.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN). Digital Subscriber Signalling System No. two (DSS2) protocol. Supplementary service interactions. Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.12.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN). Signalling ATM Adaptation Layer (SAAL). Layer Management for the SAAL at the Network Node Interface (NNI)
Standard published on 1.12.1997
Selected format:Broadband Integrated Services Digital Network (B-ISDN) - Signalling ATM Adaptation Layer (SAAL) - Layer management for the SAAL at the Network Node Interface (NNI) - Part 1: Service Specific Connection Oriented Protocol (SSCOP) and Service Specific Co-ordination Function (SSCF)
Standard published on 1.11.1999
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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