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.
STN is a protected designation of Slovak national technical standards.
Integrated Services Digital Network (ISDN). Signalling System No.7 (SS7). ISDN User Part (ISUP) version 4 for the international interface. Part 20: Completion of Calls on No Reply (CCNR) supplementary service [ITU-T Recommendation Q.733, clause 5 (1999) modified]
Standard published on 1.5.2002
Selected format:Integrated Services Digital Network (ISDN). Signalling System No.7 (SS7). ISDN User Part (ISUP) version 4 for the international interface. Part 21: Anonymous Call Rejection (ACR) supplementary service [ITU- T Recommendation Q.731, clause 4 (1993)]
Standard published on 1.5.2002
Selected format:Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 22: International Emergency Preference Scheme (IEPS) service [ITU-T Amendments (2002) to Q.761 - Q.764 (1999) modified]
Standard published on 1.2.2004
Selected format:Integrated Services Digital Network (ISDN). Signalling System No.7. ISDN User Part (ISUP) version 2 for the international interface. Part 31: Protocol Implementation Conformance Statement (PICS) proforma specification for basic services [ITU-T Recommendation Q.784.2, clauses 2, 3 and 9, and annex A, modified]
Standard published on 1.4.2002
Selected format:Integrated Services Digital Network (ISDN). Signalling System No.7. ISDN User Part (ISUP) version 3 for the international interface. Part 31: Protocol Implementation Conformance Statement (PICS) proforma specification for basic services
Standard published on 1.8.2001
Selected format:Integrated Services Digital Network (ISDN). Signalling System No.7. ISDN User Part (ISUP) version 2 for the international interface. Part 32: Test Suite Structure and Test Purposes (TSS&TP) specification for basic services [ITU-T Recommendation Q.784.2, clauses 2, 3 and 6 to 8, modified]
Standard published on 1.4.2002
Selected format:Integrated Services Digital Network (ISDN). Signalling System No.7. ISDN User Part (ISUP) version 3 for the international interface. Part 32: Test Suite Structure and Test Purposes (TSS&TP) specification for basic services
Standard published on 1.8.2001
Selected format:Integrated Services Digital Network (ISDN). Signalling System No.7. ISDN User Part (ISUP) version 2 for the international interface. Part 33: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for basic services [ITU-T Recommendation Q.784.2, clauses 2 to 4 and annexes B to D, modified]
Standard published on 1.4.2002
Selected format:Digitálna sieť integrovaných služieb (ISDN). Signalizačný systém č. 7. Používateľská časť ISDN (ISUP) verzie 3 pre medzinárodné rozhranie. Časť 33: Abstraktná skúšobná zostava (ATS) a čiastková špecifikácia predlohy protokolu s doplnkovými informáciami na skúšanie implementácie (PIXIT) základných služieb (Norma na priame používanie ako STN).
Standard published on 1.8.2002
Selected format:Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); ISDN User Part (ISUP) version 4 for the international interface; Part 33: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for basic services
Standard published on 1.2.2004
Selected format:Latest update: 2026-01-19 (Number of items: 2 257 233)
© Copyright 2026 NORMSERVIS s.r.o.