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PRI Epabx System in Chennai

The Primary Rate Interface (PRI) is a telecommunications interface standard used on an Integrated Services Digital Network (ISDN) for carrying multiple DS0 voice and data transmissions between the network and a user. PRI is the standard for providing telecommunication services to enterprises and offices.

List of top PBX systems that supports T1/E1/PRI trunks

  • Matrix PE 6S
  • NEC SL2100
  • Panasonic NS 300
  • Syntel NEOS
  • Matrix GENX 12S

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PRI line can receive/send 30 calls simultaneously
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Each channel in a PRI line provides 64 Kbps for data transmission

Best Voice Calrity

PRI lines are end-to-end digital lines and hence the clarity is much better than analog trunk lines.
Everything in PRI connection – all the equipment, cables, protocols – everything is digital.

100 % Secure

PRI calls are not exposed to internet security risks since data is transmitted over physical infrastructure.

Featured PRI PBX Products


While buying an EPABX It is very important to select future upgradebale and expandable systems so that future requirements can be catered without additional costs.