Cloud Phone Services

PRI Service

PRI Service

Primary Rate Interface

PRI Service
Send/Receive up to 23 Simultaneous Calls
PRI Service
Send/Receive up to 23 Simultaneous Calls

SIP service not for you? Yeah, we get it. You still have the need for high capacity feature-rich service, but not able to use SIP? No worries! We have you covered. VCTS delivers PRI service and T-1 service all day, every day. PRI Service is NOT a thing of the past and there are many compelling business reasons to use PRI.

What is PRI?
Primary Rate Interface is a digital service that consists of two pairs of wires that connect to a customer telephone system, but can send/receive up to 23 simultaneous calls. Analog service in contrast can only support one call per line.

Some advantages of PRI service are:
Direct Inward Dialing - DID's are telephone numbers that can be assigned to PRI service which can be used by outsiders to call the extension directly, instead of having to go through the PBX Auto-attendant.

Caller ID - Since all the extensions have their own number, this unique number will be displayed in the phones that they are calling to.

Cost - Your cost per month for a PRI is less than 23 Analog lines, also the cost of a PRI card for your phone system is less than multiple analog cards and the real-estate that they would occupy in your system.


  • Q: Why would I use a PRI when I have been told SIP is better?
    A: In most cases, one could make a case that SIP is better. But not all PBX can use SIP. You might need to replace or perform an expensive upgrade to use SIP.
  • Q: Do all PBX's support PRI?
    A: Most likely. But the system will need a PRI card or port.
  • Q: Will you work with my PBX vendor to install the PRI?
    A: Yes. We sure will! We will provide a provisioning document and schedule a test and turn up call.
  • Q: If my PRI service or PBX is down can you call forward my number(s)?
    A: Yes we can. This is a major advantage over most of the LEC's
  • Q: Do you support caller ID name and number?
    A: Yes.

The Choice is Yours

With so many cloud phone service options to choose from, you can rest assured that VCTS will design a customized cloud telephone solution that is flexible, secure and on budget.

Vision Concept Technology

Find out more about our Managed I.T. Services and Solutions.

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