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Bearer channel
From Wikipedia, the free encyclopedia
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A bearer channel is a DS-0 that carries call content i.e. one that does not carry signaling. In the common-channel signaling scheme for telecommunications, signaling is sent out-of-band, while all other traffic rides bearer channels. When a call is set up, the Bearer Capability is negotiated, and this is used to determine what type of traffic is sent across the bearer channel.
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Bearer channels are the most prevalent types of DS-0s in the Digital Transmission Hierarchies.
The most well known example of a bearer channel is the ISDN B channel.
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