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STN is a protected designation of Slovak national technical standards.
Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 1: General aspects. (ITU-T Recommendation Q.920 (1993), modified)
Standard published on 1.7.2000
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 2: General protocol specification. (ITU-T Recommendation Q.921 (1993), modified)
Standard published on 1.7.2000
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 3: Frame relay protocol specification
Standard published on 1.7.2000
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 4: Protocol Implementation conformance Statement (PICS) proforma specification for the general protocol
Standard published on 1.8.2000
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 4: Protocol Implementation Conformance Statement (PICS) proforma specification for the general protocol
Standard published on 1.4.2001
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 5: Protocol Implementation conformance Statement (PICS) proforma specification for the frame relay protocol
Standard published on 1.8.2000
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 6: Test Suite Structure and Test purposes (TSS and TP) specification for the general protocol
Standard published on 1.7.2000
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the general protocol
Standard published on 1.7.2002
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Data link layer. Part 7: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the general protocol
Standard published on 1.5.2001
Selected format:Integrated Services Digital Network (ISDN). Digital Subscriber Signalling System No. one (DSS1) protocol. Signalling network layer for circuit-mode basic call control. Part 1: Protocol specification. (ITU-T Recommendation Q.931 (1993). modified)
Standard published on 1.7.2000
Selected format:Latest update: 2026-01-16 (Number of items: 2 254 749)
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