NicatioNs> (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.25packetNetworkiNg. BRI is the kiNd of ISDN iNterface most likely to be fouNd iN resideNtial service. (2002-01-13)