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PRI (primary rate interface) - Term
Description
What is: PRI (primary rate interface)
Description:
A type of ISDN service interface that is designed for designed for telephone switches, computer telephony, and voice processing systems. PRI uses 23 B-channels and one D-channel and often uses a T-1 line. At a high data transfer rate of 1,544,000 bits per second, PRI is designed for larger organizations and businesses.
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