A Complex Voice Service That Delivers a Simple Solution

Power Your PBX

Clear Rate’s Integrated Services Digital Network (ISDN) Primary Rate Interface (PRI) delivers 24 channels (23 voice B-Channels and 1 D-Channel for call-control signaling) to maximize the efficiency and call volume of your phone system.

You won’t need to worry if you have enough voice lines to service your growing company. With one single circuit, we can deliver the power to handle your business’s needs.


  • Intelligent, Reliable High-Bandwidth Connection
  • Supports 800 #’s, DID, DOD, Long Distance, and Circuit-Switched Data on an End-to-End Digital Connection
  • Trunk Allocation on a Call-by-Call Basis

Are you ready for reliable PBX?

Call 877.877.4899 or submit your information below.

Rock-Steady Reliability

We deliver PRI via an “enhanced T-1” so you get the reliability of proven technology without sacrificing call quality.

Unlike other “PRI’s” from the cable company, we’re not delivering this over a shared internet connection. You won’t have to worry that a loss of internet connectivity will affect your phone service.

Feature Rich

We have all the features you need to maximize the power of your PBX and the efficiency of your communications.

  • Dynamic Hunt Groups
  • Caller ID w/ Name Delivery
  • DID Service
  • Circuit Switched Data
  • Unlimited Local and Long Distance Calling
  • Disaster Recovery

Are you ready to see how Clear Rate can help you save?

Don’t Waste Bandwidth Your PRI Is Already Delivering

Learn how Flex PRI can use the bandwidth provided from our T-1 to deliver business-class internet. Get the call quality of a PRI with the added benefit of data connectivity in one circuit.