D CHANNEL

Communications Systems Glossary

Communications Systems — Integrated Services Digital Network — D channel

 

 

 

 

 

 

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Information on D channel

A D channel is an integrated services digital network (ISDN) 16 or 64 Kbps packet-switched channel that carries signalling information to control circuit-switched calls (B channels). The D channel can also be used for packet switching or low-speed telemetry when no signalling information is being used.


Other topics in our resources on Communications Systems related to D channel include: 
 
  • integrated services digital network (ISDN)
  • B channel
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  • CEPT-1
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  • CEPT-4

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