Groupon has the Ooma Telo VOIP System for $99 (239.98  – 140.98 instant savings) with the purchase of a 10-Month Premier Subscription ($9.99 per month) for a limited time. Shipping adds $5. Deal expires June 28. 2012.

FREE Unlimited US Calls, No Contracts!

The Ooma Telo is a revolutionary device that allows you to call anywhere in the U.S. for Free. Just pay applicable taxes and fees. You can also make international calls for next to nothing. Telo is easy to set up and even easier to use. You simply connect the device to your high-speed Internet and your existing phone, and that’s it. You don’t need a computer, and you don’t need a headset. With the Ooma Telo, you’ll be ready to start calling and saving money within minutes.

The Ooma Premier subscription features a second line, 3-way conferencing, free calls to Canada, a backup number, and much more. You can easily cancelled after 10 months.