We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
ČSN is a protected designation of Czech national technical standards.
Broadband Integrated Services Digital Network (B-ISDN) - Signalling System No.7 - B-ISDN User Part (B-ISUP) Capability Set 1 (CS1) - Supplementary services [ITU-T Recommendation Q.2730 (1995), modified]
Standard published on 1.5.1998
Selected format:Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Digital cellular telecommunications system (Phase 2) - Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 1: Protocol specification (GSM 09.12 version 4.1.1)
Standard published on 1.3.1998
Selected format:Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Digital cellular telecommunications system (Phase 2) - Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 1: Protocol specification (GSM 09.12 version 4.2.2)
Standard published on 1.2.2000
Selected format:Integrated Services Digital Network (ISDN) - Signalling System No.7 - Digital cellular telecommunications system (Phase 2) - Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.5.1999
Selected format:Integrated Services Digital Network (ISDN) - Signalling System No.7 - Digital cellular telecommunications system (Phase 2) - Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification
Standard published on 1.5.1999
Selected format:Integrated Services Digital Network (ISDN) - Signalling System No.7 - Digital cellular telecommunications system (Phase 2) - Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface - Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification
Standard published on 1.5.1999
Selected format:Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service - Digital Subscriber Signalling System No.one (DSS1) protocol - Part 1: Protocol specification
Standard published on 1.7.1998
Selected format:Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) 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) - Message Waiting Indication (MWI) supplementary service - Digital Subscriber Signalling System No.one (DSS1) protocol - Part 2: Protocol Implementation Conformance Statement (PICS) proforma specification
Standard published on 1.7.1998
Selected format:Integrated Services Digital Network (ISDN) - Message Waiting Indication (MWI) supplementary service - 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:Latest update: 2025-12-22 (Number of items: 2 253 013)
© Copyright 2025 NORMSERVIS s.r.o.