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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN) - Overall network aspects and functions - Frame Relaying Service Specific Convergence Sublayer (FR-SSCS) [ITU-T Recommendation I.365.I (1993)]
Standard published on 1.4.1997
Selected format:Telecommunications Management Network (TMN) - Generic managed object class library for the network level view
Standard published on 1.7.1997
Selected format:Telecommunications Management Network (TMN) - Generic managed objects
Standard published on 1.8.1997
Selected format:Universal Personal Telecommunication (UPT) - UPT Phase 2 - Functional specification of the interface of a UPT Integrated Circuit Card (ICC) and Card Accepting Devices (CADs) UPT card accepting Dual Tone Multiple Frequency (DTMF) device
Standard published on 1.12.1997
Selected format:Universal Personal Telecommunication (UPT) - UPT phase 2 - Functional specification of the interface of a UPT Integrated Circuit Card (ICC) and Card Accepting Devices (CAD) - UPT card accepting Dual Tone Multiple Frequency (DTMF) device
Standard published on 1.2.2000
Selected format:Network Aspects (NA) - Functional specification of traffic management on the Network Element/Operations System (NE/OS) interface
Standard published on 1.7.1997
Selected format:Public Switched Telephone Network (PSTN) - Calling Line Identification Presentation (CLIP) supplementary service - Service description
Standard published on 1.1.1998
Selected format:Public Switched Telephone Network (PSTN) - Calling Line Identification Restriction (CLIR) supplementary service - Service description
Standard published on 1.1.1998
Selected format:Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Universal Access Number (UAN) service - Service description
Standard published on 1.1.1998
Selected format:Integrated Services Digital Network (ISDN) - Public Switched Telephone Network (PSTN) - Virtual Card Calling (VCC) - Service description
Standard published on 1.1.1998
Selected format:Latest update: 2025-07-11 (Number of items: 2 208 012)
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