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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN) - Outgoing Call Barring-User Controlled (OCB-UC) supplementary service - Service description
Standard published on 1.9.1999
Selected format:Digitální síť integrovaných služeb (ISDN) - Uživatelem ovládaná zábrana odchozího volání (OCB-UC) - Doplňková služba - Popis služby (Norma k přímému použití jako ČSN).
Standard published on 1.3.2001
Selected format:Broadband Integrated Services Digital Network (B-ISDN) - Asynchronous Transfer Mode (ATM) - Retainability performance for B-ISDN switched connections
Standard published on 1.10.1999
Selected format:Broadband Integrated Services Digital Network (B-ISDN) - ATM Adaptation Layer (AAL) - Support of the High Level Data Link Control (HDLC) core service by AAL type 5 (AAL5)
Standard published on 1.10.1999
Selected format:Integrated Services Digital Network (ISDN) - Completion of Calls on No Reply (CCNR) supplementary service - Service description
Standard published on 1.10.1999
Selected format:Routeing of calls to European Telephony Numbering Space (ETNS) services
Standard published on 1.10.1999
Selected format:Směrování volání na služby evropského telefonního číslovacího prostoru (ETNS) (Norma k přímému použití jako ČSN).
Standard published on 1.7.2002
Selected format:Management of the European Telephony Numbering Space (ETNS)
Standard published on 1.10.1999
Selected format:Management evropského telefonního číslovacího prostoru (ETNS) (Norma k přímému použití jako ČSN).
Standard published on 1.7.2002
Selected format:Integrated Services Digital Network (ISDN) - Security tools (SET) for use within telecommunication services
Standard published on 1.11.1999
Selected format:Latest update: 2025-09-15 (Number of items: 2 233 685)
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