is a 64,000 bit per second digital telephone circuit. B stands for "bearer." A 56,000-bit channel is "restricted." A typical telephone line in urban areas is capable of transmitting a pair of B-channels.
A single channel of an ISDN line that is used to carry either voice or data information. ISDN Basic Rate Interface (BRI) has 2 B-channels. ISDN Primary Rate Interface (PRI) in North America has 23 B-channels. ISDN Primary Rate Interface (PRI) in Europe has 30 B-channels. B-channel is also called bearer channel.
Two of the three channels that comprise an ISDN line. The B-Channels (or bearer channel) are used for sending data and use 64Kb of bandwidth each. Each B-channel can be used as a separate connection ... more