Basic Rate Interface


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Related to Basic Rate Interface: Primary rate interface, B channel

Basic Rate Interface

(communications)
(BRI, 2B+D, 2B1D) An Integrated Services Digital Network channel consisting of two 64 kbps "bearer" (B) channels and one 16 kbps "delta" (D) channel, giving a total data rate of 144 kbps. The B channels are used for voice or user data, and the D channel is used for control and signalling and/or X.25 packet networking. BRI is the kind of ISDN interface most likely to be found in residential service.
References in periodicals archive ?
the creator of Asterisk(TM) and pioneer of open source telephony, today announced the availability of its Basic Rate Interface (BRI) card, the B410P, for the European and Worldwide markets.
The product bundles a WAN connection, Basic Rate Interface or Ethernet Port with an internal router, eliminating external add-on routers.
The 3310 VCOE extends the clock/data and dialer circuits on the channel side of the demarcation device supporting fractional T-1, individual or bonded ISDN Basic Rate Interface applications.
The new Cisco ICS 7750-EV Voice (digital E1 public switched telephone network (PSTN) trunking) and the Cisco ICS 7750-BV Voice (ISDN Basic Rate Interface (BRI) PSTN trunking) packages meet the requirements of global markets.

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