Multirate-isdn meaning

A feature of ISDN primary rate access (PRA) and primary rate interface (PRI) that aggregates or bonds multiple bearer (B) channels to yield a transmission rate in excess of the single-channel rate of 64 kbps. The resulting channels are known has high-speed (H) channels, which are specified at a number of levels. Multirate ISDN also is known as bonding, channel aggregation, and Nx64. See bonding, H channel, ISDN, PRA, and PRI.
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