IP Advantage

Transform your voice communications and reduce costs. VoIP with SIP Trunking offers advanced call features while utilizing your in-house PBX.

Call anywhere free in US

Connect with more customers for longer at no additional cost. IP Advantage includes unlimited nationwide1 calling.

1. In the contiguous United States.

Interested in IP Advantage?

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Make IP Advantage even better

Get even more from IP Advantage with these premium add-ons.

TEC Protect-IP

Trust TEC Protect-IP to keep your voice system up and running in case of network failure. Service interruptions happen. When they do, our failover service switches your VoIP system to a backup connection.

TEC Voice Messaging Service

Don't miss a single opportunity. Redirect calls to a professional voicemail system when you're busy or away. Set custom greetings, listen to your messages from anywhere, and save messages forever.


Get the benefits of fax without all the hassle. Receive faxes from your dedicated fax number straight to your email inbox. Save or forward fax messages all without a fax machine. Also available for distribution lists.

Wireless Voice Backup

Ensure uninterrupted communications with a backup voice-only cellular Internet connection. Networks fail. Wireless Voice Backup uses a redundant LTE connection to keep you connected when they do.

Toll-Free Number

Toll-free numbers don't only make it easier for customers to call you, they also:

  • Increase your ability to reach out of state customers.
  • Boost marketing efforts when using a vanity number.
  • Enhance credibility for small or home-based businesses.

Conference on Demand

No more reservations and special conference IDs. Call your dedicated conference number and you're in. No scheduling, no limitations.

Better connections, with TEC

We're in the business of connecting you to your customers, stakeholders, and staff; and we do it well.

Scale on demandIcon of small building growing into large high-rise

Scale on demand

Expand without hesitation, thanks to voice services that grow as fast as you do.

24/7 SupportIcon of phone receiver with 24/7 sign to right

24/7 Support

Never miss a great connection. Our 24/7 support has you covered, no matter what.

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Top-tier support

Talk to someone you can trust. Our dedicated support staff are committed to you, and your business.