SIP Trunking

An Affordable and Reliable VoIP Solution

Maximize your business communications and value with SIP Trunking — a modern cloud-calling solution where you only pay for the lines you need, without investing in a new PBX.

customer portal


Experience the ease and efficiency of managing your voice solution with our user-friendly Customer Portal. This tool allows anyone to analyze, customize and manage their SIP Trunking service from their favorite browser.


In your portal, view live concurrent trunk utilization, telephone number usage or trunk group call counts with the click of a button. Get expert insights into your service usage with pre-built reports, or customize your own.

customer portal reporting 1
growing business


Purchase only what you need, when you need it. As your company grows, configure additional SIP call paths on your existing connection. There’s no need to purchase service in fixed increments as with other traditional services.


SIP Trunking allows you to converge local and long-distance voice over your internet service, optimizing the efficiency of your network resources. No longer do you have to pay for those costly long-distance calls.

business man wearing telephone headset
Microsoft Teams Logo

Got Teams?

If your organization is communicating and collaborating on Teams, we'll give you PSTN access via SIP Trunking. This allows users to meet, call, chat and collaborate from within the application, on any device. TelNet makes it easy to add Direct Routing to your organization, enabling you to call anybody, anywhere.

SIP Trunking Pricing


As low as
$ 16
path / month
  • Authentication
  • Dual Registration
  • Caller ID
  • Call Forwarding by Time of Day
  • e911
  • Service Management Portal
  • Unlimited Local and Intralata Calling
  • Unlimited Nationwide Calling


As low as
$ 10
path / month
  • Authentication
  • Dual Registration
  • Caller ID
  • Call Forwarding by Time of Day
  • e911
  • Service Management Portal
  • Unlimited Local and Intralata Calling

SIP Trunking Optional Features

Call Bursting
path / month
per month
US 48 Telephone Number
Free Caller ID
Free e911 Enablement
Free Porting
number / month
per month
Enhanced Telephone Number
number / month
(includes all features)

If an emergency occurs and you need to forward your calls to another coworker or an external number outside your business, you can use the Call Forwarding Always feature.

If a caller tries to reach you and there’s a busy signal, you can have the call forward to another number or department.

Should a caller try to reach you and there’s no answer, the Call Forwarding No Answer feature redirects the call.

If your number is not reachable due to a service issue, the Call Forwarding Not Reachable feature will redirect a call to another number.

The Call Return feature will dial the last number that called you when you enter a country code.

The Call Transfer feature allows you to send and receive an existing call from one number to another.

The Flash Call Hold feature gives you the ability to place an incoming call on hold, so that someone on a different phone can pick it up.

If you need to quickly call the number you just dialed, you can do so easily with Last Number Redial.

mitel compatible

Did You Know?

Our SIP Trunking solution is Mitel-certified! Our service has passed all performance, interoperability and quality assurance tests to ensure interoperability with Mitel’s PBX equipment. If you have a Mitel PBX, let’s talk about maximizing your investment with SIP.

Check Out These Helpful Resources

SIP Trunking FAQs

SIP is ideal for companies of all sizes. It’s easily customizable whether you need a simple configuration or complex routing and redundancy between multiple locations.

A PRI delivers voice over a copper circuit in increments of 23 channels at a time. SIP Trunking is a VoIP solution that delivers voice data over an internet protocol. Unlike PRI, you’re able to customize the number of lines to maximize your savings.

SIP Trunking also includes many features including HD audio, E911 and call forwarding as compared to TDM-PRI, which is standard definition and limited in features, which is why so many businesses are upgrading their legacy systems.

SIP Trunking comes with a number of features including:

• Service Management Portal
• Call Forwarding Options
• Emergency Services (E911)
• Call Data Records

For a full list of features and functionality, check out our solution summary!

With SIP, you’ll see costs more in line with your usage since you’re able to customize the number of lines you need. Plus, SIP is easily scalable and manageable with our SIP Trunking Portal. It allows you to configure your lines manually, whether you’re adding an additional line or expanding your location.

Your need is based on your use case. If you don’t know how many trunks you need, we will happily assist you with a network assessment to determine your best configuration — and if you already know how many you need, then we simply take a step out of the migration!

To get started, you can reach us via our contact page or give us a call at (800) 974-4800.

Sam Explains SIP Trunking

What is SIP Trunking? | SIP Trunking Explained

Save more on your voice solution with SIP Trunking.

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Your Ultimate Guide to SIP Trunking

Wondering how SIP Trunking can revolutionize your business communications? Download the guide to explore the basics and benefits of this popular VoIP solution.

The Unlimited SIP Package

Ready to experience the endless advantages of SIP calling? Get a free, no obligation, personalized quote for our Unlimited SIP Package by filling out the form below.

The Standard SIP Package

Ready to take the first step toward high-definition cloud calling? Get a free, no obligation, personalized quote for our Standard SIP Package by filling out the form below.

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No Obligation Quote

Ready to upgrade your phone system? Learn more about our SIP features, plans and pricing by filling out the form below.

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How can we help you?

Want to know how our features, plans and pricing could fit into your business?

Is Office Right for You?

Office is a calling-only package that provides HD voice on IP-enabled desk or conference phones. Office is intended for organizations who don’t use our collaboration software or perhaps use another collaboration platform and want to add voice.

Is Mobile Right for You?

Mobile is for organizations whose employees are on the move and do not need a chat platform or to host meetings. The package provides mobile calling. If softphone calling capabilities are all that is needed, our mobile package is your ideal solution.

Is Meetings Right for You?

Meetings is intended for organizations who are totally replacing an existing collaboration platform or adopting their first platform. Meetings includes calling features plus Webex, which is a full-featured collaboration suite that includes many remote and hybrid work functions.

Is Premium Meetings Right for You?

Similar to Meetings, Premium Meetings is intended for organizations replacing or adopting their first collaboration platform. Premium adds enhanced Webex features, including presenter controls and higher participant counts, making it ideal for bigger organizations who host large webinars or meetings.