A bearer channel is a DS-0 that carries call content i.e. one that does not carry signaling. In the

common-channel signaling In telecommunication, common-channel signaling (CCS), or common-channel interoffice signaling (CCIS), is the transmission of control information ''( signaling)'' via a separate channel than that used for the messages, The signaling channel usually ...

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 kind of B channel that is being requested. Description For example, if a Bearer Capabil ...

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 {{for, Indonesian television network formerly known as B-Channel, RTV (Indonesian TV network) B channel (bearer) is a telecommunications term which refers to the ISDN channel in which the primary data or voice communication is carried. It ha ...

See also