Primary-Rate Interface
(P-R-I)
The full ISDN configuration. PRI uses one D-channel (call-control info) and 23 (30 in Europe) B-channels for voice/data at 64Kbps each. You'll typically find a PRI between a PBX and telephone company central office or long distance phone company. (Also see BRI.)
More Information
Last Changed: Monday, January 23, 2006
Navigation: Computer Knowledge Home :: Terms :: P :: PRI
