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Business Trunking:
SIP and PRI Solutions

A SIP Trunk Perfect for Any Company

At Optimum, we know SIP Trunking is an essential part of your small business. That’s why our systems work with an extensive list of SIP Trunk Providers, some of the best around.

PRI Trunking is also a critical part of any business, but only if it’s flexible and adaptable. Enter our flexible PRI Trunk, which allows you to port your current numbers, add or remove phone sessions and DID blocks all while having up to 24 call sessions at once.

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A Flexible PRI Trunk Is What Your Business Needs

We want to help your business shift when needed. That's why we have flexible PRI trunking, which allows 24 simultaneous call sessions at a time, porting your current numbers at no extra charge, and bringing your traditional PRI PBX systems with you.

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24 simultaneous call sessions

Business needs change, and that includes your PRI Trunking demands. And that’s why Optimum offers the ability to have up to 24 simultaneous call sessions and up to 100 Direct Inward Dial (DIDs) telephone numbers.

Port your numbers at no extra charge

Port your current numbers at no extra charge. Make changes with ease. And you don’t need an IT person. We make it easy to add or remove additional phone sessions or DID blocks, thanks to our easy-to-understand Setup Guide.

Bring your traditional PRI PBX

You can also bring your traditional PRI PBX phone systems to our PRI service and have up to 23 simultaneous call sessions. Along with this, you get all the calling features you need for daily business.

Compatible with Most SIP Trunk Providers

Optimum’s Business Trunking works with a huge list of the most common IP PBX providers, including Cisco CME, NORTEL, and Panasonic (NSE and TDE series). Our trunking has been tested and certified for this, so it will work with your existing PBX provider. Get up to 23 simultaneous call sessions with a PRI interface if your business has an existing PBX phone system.

And when you switch to Optimum, you won’t have to pay extra fees for new equipment or hardware.

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Our Service Commitment

60-Day Guarantee

We’re so confident in our services that we offer a 60-day, money-back guarantee. If you’re not totally satisfied, we’ll refund you.

24/7/365 Technical Support

Our U.S.-based technical support service team is always ready to support your business. Contact us anytime, day or night.

Expedited Support

We strive to keep you connected. If an issue with your service arises, we’ll begin addressing it promptly.

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Learn more about the best SIP trunk provider

SIP trunking has become a wildly popular business tool – and your small business should consider investing in it, too. SIP stands for Session Initiation Protocol. Let’s break that down – simply put, SIP trunking is a way to send voice and other communications via the internet. SIP functions alongside an IP-enabled private branch exchange, or PBX. Basically, SIP trunk providers are used in place of phone lines. Why is all of this important? An SIP trunk increases productivity while reducing costs – and yes, it’s more reliable, too. Before SIP trunking came about, calls were transmitted via Public Switched Telephone Networks. This slowed down communication and was expensive to maintain and repair. Not anymore. Partner with Optimum Business, rated as the best SIP trunk provider around.