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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN). Circuit-mode 64 kbit/s unrestricted 8 kHz structured bearer service category usable for speech information transfer. Service description
Standard published on 1.10.1994
Selected format:Integrated Services Digital Network (ISDN). Circuit-mode 64 kbit/s unrestricted 8 kHz structured service bearer category usable for 3,1 kHz audio information transfer. Service description
Standard published on 1.11.1994
Selected format:Integrated Services Digital Network (ISDN). Telephony 3,1 kHz teleservice. Service description
Standard published on 1.10.1994
Selected format:Integrated Services Digital Network (ISDN). Service requirements for Telefax Group 4
Standard published on 1.11.1994
Selected format:Integrated Services Digital Network (ISDN). Malicious Call Identification (MCID) supplementary service. Service description
Standard published on 1.11.1994
Selected format:Digitální síť integrovaných služeb (ISDN) - Identifikace zlomyslného volání (MCID) - Doplňková služba - Popis služby.
Change published on 1.1.1999
Selected format:Integrated Services Digital Network (ISDN). Closed User Group (CUG) supplementary service. Service description
Standard published on 1.11.1994
Selected format:Integrated Services Digital Network (ISDN). Call Hold (HOLD) supplementary serivce. Service description
Standard published on 1.11.1994
Selected format:Integrated Services Digital Network (ISDN). Meet-Me Conference (MMC) supplementary service. Service description
Standard published on 1.11.1994
Selected format:Network Aspects (NA). Digital coding of component television signals for contribution quality applications in the range 34 - 45 Mbit/s
Standard published on 1.11.1994
Selected format:Latest update: 2025-09-12 (Number of items: 2 232 097)
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