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Primary Rate Interface, or PRI, is a telecommunications interface standard that carries multiple voice and data transmissions between the network and a user on an ISDN (Integrated Services Digital Network).

PRI Service delivers up to 23 voice channels.


  • Efficient call handling.
  • Caller ID with name and number.
  • A single, easy-to-understand invoice.
  • Advanced features to support call center applications.
  • Dynamically allocate channels to support multiple voice trunk groups.


  • Significantly lowers rates and monthly charges.
  • Add data applications without needing a new circuit.
  • Volume and term discount plans provide substantial savings on already competitive rates.