Digital Network Services for Enterprise


Keep Your Office Connected

Our ISDN PRI service incorporates voice and data into one system allowing you to focus more on core business processes and less on dropped calls or lost data.

Optimize performance

Prevent your IT team from wasting time on routine network maintenance tasks. Frontier’s fully managed solution can optimize your wireless LAN performance—and productivity.

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24/7 Technical Support

Experts on hand when you need them

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Hassle-Free Connection

Support multiple services; easy to configure and expand

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Security Focused

Technology to strengthen your defenses and shield your organization


Business Telecom Standard

Our ISDN PRI service lets you maintain or scale your office phone and data handling capacities at an affordable price. PRI trunk lines incorporate voice and data into one system, enabling advanced features that help you track calls better, transfer data more reliably and use less bandwidth. Optimize your phone and data by extending digital telephone service all the way to your customer. Access our robust communications infrastructure through ISDN PRI service to scale or maintain your office phone and data capacities at an affordable price.


ISDN PRI Services at a Glance

Calling Features

Call-by-Call Service Selection Does not require separate channels for services like DID, DOD, WATS, or 800/877/888 numbers

Caller ID Number Provides caller ID on connected ISDN PRI & Centrex services or on 2+ ISDN PRI services belonging to one customer

Modified Redirecting Number Allows numbers of original caller & last redirected caller to be passed up the chain when a call is forwarded or redirected

Channel Features

Clear Channel Capability Allows you to transport 64 Kbps over PRI channels with no constraint on quantity or sequence of bits

D Channel Backup BackupAutomatically takes over for failed D channel in case of trouble—part of 23B+D channel backup arrangement

Non-facility Associated Signaling (NFAS) Allows D channel–signaling entity to assign calls to channels on more than one interface


See what our customers have to say.

Read what some of our satisfied customers have said and learn more about how Frontier can help take your business further.

The installations were well-planned and managed from start to finish. This resulted in minimal downtime—a very critical element when working with 911.

City of Post Falls

— R. Scot Haug

Chief of Police
Post Falls PD

They have been responsive to our requests and customization requirements and have been there to assist in the learning curve for our employees.

Chemawa Indian School Logo

— Amanda Ward

Chemawa Indian School

I like the one-stop shop. That's a big selling point for me.

— Jeff "Sig" Siglin

Owner & Operator
North Cascades Dealership


Talk to an expert about Frontier’s data and connectivity solutions

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