BRI – Basic Rate Interface

(BRI) Basic Rate Interface- An Integrated Services Digital Network (ISDN) configuration that consists of two bearer channels (B channels) of 64 kpbs each which van be bonded for a total of 128 kpbs and one data channel (D channel) of one 16 kpbs. The B channels are used for voice or user data and the D channel is used for any combination of data, control or signaling.

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