Primary Rate Interface

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Primary Rate Interface - (PRI) A type of ISDN connection. In North America and Japan, this consists of 24 channels, usually divided into 23 B channels and 1 D channel, and runs over the same physical interface as T1. Elsewhere the PRI has 31 user channels, usually divided into 30 B channels and 1 D channel and is based on the E1 interface.

PRI is typically used for connections such as one between a PBX (private branch exchange, a telephone exchange operated by the customer of a telephone company) and a CO (central office, of the telephone company) or IXC (inter exchange carrier, a long distance telephone company).

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No references found			The Primary Rate Interface The Primary Rate Interface is made up of several Bearer channels, the number depending on the network system and how it is arranged. General Information About ISDN by John Grant / Computers and Internet community SIP support in the Cisco ISR and the Cbeyond network made it unnecessary for FremantleMedia to purchase primary rate interface cards for the Cisco ISR. Company improves voice network: unified communications implementation ... by Communications News The NetLink PRI Gateway connects to a PBX utilizing an ISDN primary rate interface (PRI) supporting 100 or more NetLink Wireless Telephones through a single interface, significantly reducing the total cost of providing real-time voice communication to enterprise mobile workers. SPECTRALINK DEBUTS VOIP GATEWAY FOR NETLINK WIRELESS PHONES by Tele-Service News			primary low primary magma primary management domain primary measuring element primary member primary meristem Primary Metal primary mineral primary optic axis primary orogeny primary partition Primary Party Organization primary phase primary phase region primary phloem primary photocurrent primary plasticizer primary pollutant primary porosity primary power cable primary producer Primary Production primary radar primary radiation primary rainbow Primary Rate Interface primary reference fuel primary refrigerant primary register primary relay primary reserve primary rocks primary root primary scattering Primary School primary sedimentary structure primary service area primary sewage sludge Primary Sex Characters primary skip zone primary standard primary storage primary stratification primary stratigraphic trap primary stress primary stress field primary structure primary subcontractor primary submodule primary succession primary surveillance radar			Primary Pserous Carcinoma of the Peritoneum Primary Pulmonary Arterial Hypertension Primary pulmonary hypertension Primary pulmonary hypertension primary pulmonary lobule primary purpura primary purpura primary purpura Primary Qualified Beneficiary Primary qualities Primary qualities of bodies Primary Quality Assurance Organization primary quill Primary quills primary radar Primary Radar Controlled Approach primary radiation primary radiation primary radiation primary radiation primary rainbow Primary Rainforest Primary Rainforest Primary Rat Kupffer Cells Primary Rate Primary Rate Primary Rate Primary rate access Primary rate access Primary Rate Card Primary Rate Interface Primary Rate Interface Board Primary Rate ISDN OSI Office Facilities primary reaction Primary Reaction Control System Primary Reactor Coolant Pump Primary Reactor Coolant Pump Trip System primary receiving a primary receiving a primary receiving a primary receiving a primary receiving a Primary Reference Clock Primary Reference Fuel Primary Reference Fuel Primary Reference Receiver Primary Reference Source primary refrigerant primary register Primary reinforcement Primary reinforcement Primary reinforcement Primary reinforcement primary relationships primary relay primary renal azotemia primary renal azotemia primary renal azotemia Primary Renal Cell Cancer of The Clear Type Primary renal glycosuria primary reninism

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