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BRI Last modified: Wednesday, January 30, 2002

Short for Basic-Rate Interface, the basic ISDN configuration, which consists of two B-channels that can carry voice or data at rate of 64Kbps, and one D-channel, which carries call-control information. Another type of ISDN configuration is called Primary-Rate Interface (PRI), which consists of 23 B-channels (30 in Europe) and one D-channel. Sponsored listings Now Is A Great Time to Switch and Save - Get the Charter Business BundleŽ and save over 40%* off standard monthly rates when you order Internet, Telephone and Cable TV.