VoIP SIP PRI – A Carrier-Grade Replacement for Legacy PRI Services

Modern. Scalable. Reliable. No Carrier Headaches.

Still relying on outdated PRI lines from a telecom carrier? It’s time to upgrade. CTS delivers VoIP SIP PRI service that offers the same reliability as traditional PRI—without the hidden fees, long waits, or hardware limitations.

VoIP PRI Pricing & Features

$399/mo24-month minimum contract required
  • ✔ 24-Channel PRI
  • ✔ Includes 20 Direct Inward Dial (DID) Numbers
  • ✔ Additional DIDs – Just $5/month per block of 20
  • ✔ Enterprise-Grade Voice Quality with QoS Optimization
  • 💡 Need more than 24 channels? Expand to 48 channels with the same hardware—no extra equipment required!
Pricing Breakdown

Why CTS VoIP SIP PRI Beats Legacy PRI

Carrier-Grade Service Without Carrier Hassles

  • No Middlemen – We’re the direct provider

  • Seamless PBX Integration – Keep your current phone system

  • Hybrid VoIP-Ready – Transition to full VoIP when you’re ready

  • Superior Voice Quality – HD calls with QoS prioritization

  • Scalable – Expand to 48 channels using the same equipment

  • Quick Setup & Number Porting – Fast rollout with minimal disruption

Deployment, Porting & Support

Easy Installation. Fast Porting. Ongoing Support.

We make deployment painless—from network setup to porting your existing phone numbers. Our expert team ensures minimal downtime and full compatibility with your current environment.

  • Free number porting assistance

  • Quick installation with minimal business impact

  • Full configuration and testing

  • Dedicated support during and after deployment

Modernize Your Voice Infrastructure

Future-Proof Your Phone System Today

Legacy PRI systems are expensive, rigid, and aging fast. CTS VoIP SIP PRI gives your business a future-proof solution—maintaining traditional functionality with modern performance, flexibility, and service.

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No More Downtime. No More Security Risks.

We do Tech, So You Can Do Business.