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PRI Trunks

  • Simple, yellow icon depicting a check mark. PRIs with 6 to 23 channels per trunk
  • Simple, yellow icon depicting a check mark. Uses your PBX equipment
  • Simple, yellow icon depicting a check mark. High Quality of Service

Answering your need for reliability, efficiency, and quality

Help protect your investment in your on-site PBX. Our ISDN Primary Rate Interface (PRI) is a dedicated physical connection from your PBX equipment to the private Comcast network, one of the largest reliable IP backbones in the nation. It’s a powerful combination that makes VoiceEdge PRI an ideal choice for voice quality, managed costs, and advanced calling features.

Included with your phone solution

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Business Continuity

Enjoy seamless service with network redundancy and call rerouting.

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Scale up as you grow, to include multiple trunk groups with 6 to 23 channels per group.

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Know that voice traffic is prioritized on our private network.

Ideal for these types of businesses

Take advantage of PRI trunking features that support business-critical functions.

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Corporate headquarters and large offices

When making and taking calls is the mainstay of your business, a fully featured phone system can be a big asset. 

Support inbound and outbound calling with:

  • Unlimited local and low-cost long distance calling
  • Dialed Number Information Service, Automatic Number Identification
  • Call Detail Records
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Organizations with customized business requirements

Some enterprises depend on reliable, high-availability connections for their business phone service.

Features to address this need include:

  • Network Security
  • Direct Trunk Overflow, Call Forward Not Reachable, Destination Unreachable
  • Management & Monitoring Gateway
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Single-site or multi-location

We can support a central site as well as local branches, hotel properties, stores, and other remote locations with PBXs deployed in a hybrid environment.

These features cover a wide range of needs:

  • Unlimited local calling minutes
  • Simple digital control
  • Scalability
  • Redundancy

Comcast Business phone solutions


Need help finding the right solution?

Just answer a few questions. We’ll recommend solutions for your business and show you some of our best offers available at your location.

Restrictions apply. Not available in all areas. Limited to Comcast Business PRI Trunks Voice service. Minimum term agreement required. Equipment, taxes and fees extra, and subject to change. If there is a power outage or network issue, calling, including calls to 911, may be unavailable.