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
Bearer Capability in telecommunications is one of the Information Elements (fields) of the Q.931 SETUP message. It is used by the calling party to specify the type of B channel being requested.
Description
For example, if a Bearer Capability of Sp ...
is negotiated, and this is used to determine what type of traffic is sent across the bearer channel.
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
B channel (bearer) is a telecommunications term which refers to the ISDN channel in which the primary data or voice communication is carried. It has a bit rate of in full duplex.
The term is applied primarily in relation to the ISDN access in ...
.
See also
*
Bearer service
References
Telephony signals
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