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ČSN is a protected designation of Czech national technical standards.
Integrated Services Digital Network (ISDN) - ISDN Packet Mode Bearer Services (PMBS) - ISDN Virtual Call (VC) and Permanent Virtual Circuit (PVC) bearer services provided by the B-channel of the user access - basic and primary rate
Standard published on 1.11.1998
Selected format:Integrated Services Digital Network (ISDN). ISDN Packet Mode Bearer Services (PMBS). ISDN Virtual Call (VC) and Permanent Virtual Call (PVC) bearer services provided by the D-channel of the user access - basic and primary rate
Standard published on 1.6.1995
Selected format:Integrated Services Digital Network (ISDN) - ISDN Packet Mode Bearer Service (PMBS) - ISDN Virtual Call (VC) and Permanent Virtual Circuit (PVC) bearer services provided by the D-channel of the user access - basic and primary rate
Standard published on 1.11.1998
Selected format:Integrated Services Digital Network (ISDN). Multiple Subscriber Number (MSN) supplementary service. Service description
Standard published on 1.8.1995
Selected format:Integrated Services Digital Network (ISDN). Terminal Portability (TP) supplementary service. Service description
Standard published on 1.8.1995
Selected format:Integrated Services Digital Network (ISDN). Call Waiting (CW) suplementary service. Service description
Standard published on 1.6.1995
Selected format:Digitální síť integrovaných služeb (ISDN). Čekání na spojení (CW) - Doplňková služba. Popis služby.
Change published on 1.11.1997
Selected format:Integrated Services Digital Network (ISDN); Subaddressing (SUB) supplementary service; Service description
Standard published on 1.11.1994
Selected format:Integrated Services Digital Network (ISDN). Direct Dialling In (DDI) supplementary service. Service description
Standard published on 1.8.1995
Selected format:Integrated Service Digital Network (ISDN). Calling Line Identification Presentation (CLIP) supplementary service. Service description
Standard published on 1.6.1995
Selected format:Latest update: 2025-11-17 (Number of items: 2 243 994)
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