Verizon Ranked “Highest in Customer Satisfaction with Small/Medium Business Wireline Service, 2 Years in a Row” By J.D. Power i close modal Verizon received the highest score among small/medium businesses (20-499 employees) in the J.D. Power 2017-2018 Business Wireline Satisfaction Studies. For J.D. Power 2018 award information, visit
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Communicate quickly and clearly

ISDN PRI service gives you a clear digital connection for high-bandwidth applications, with fast call set-up.

Simplify your network

You can handle local, long distance, voice and digital data calls over the same PRI connection. 

More bandwidth when you need it

Provision bandwidth as you need it, and allocate capacity for inbound and outbound calls.

Verizon-level reliability

You can handle local, long distance, voice and digital data calls over the same PRI phone connection.

Get a high-capacity service that gives you a direct digital connection to a Verizon central office.

Best for:

Connecting a company's PBX directly to the network backbone, for technical applications that require data integrity, secure bandwidth and high speeds.

Giving multiple business locations the ability to handle a high volume of phone calls and data connections.

Our ISDN PRI service delivers speed, flexibility and resiliency.

Support for multiple standards

Verizon supports ISDN PRI (23B+D) at an information payload data rate of 1.472 and ISDN PRI (24B+0D) at an information payload data rate of 1.536 Mbps.

DID and DOD for more calling features

ISDN PRI gives you Direct Inward Dialing (DID), Direct Outward Dialing (DOD), and toll-free service, for access to calling features such as caller ID.

Circuit switching to help provide business continuity

Circuit-switched capability lets you provide alternate paths in the event of a network outage.

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Let our experts help protect your network

Get started now.

Whether you're looking to put this product to work for your business, or you just want more information, we can help you get the answers you need.

Work with our experts.

Tell us a little bit about your business and get set up to meet with our professionals to ask questions, get advice or request a quote.

Find what's right for you.

Not sure if this is the product your business needs? We can make some recommendations.

Talk to us.

Call us to check if this product is available in your area and get pricing. 

Call: 1-800-274-8002