Revolutionary device that gives you free calls within U.S. and low rates for international calls. Pay only applicable taxes and fees Works with any corded or cordless phone; easy installation with no computer required. Not compatible with Ooma Scout. Includes caller-ID, call-waiting, 911, and many other calling features Includes 60-day free trial of Ooma Premier a suite of enhanced calling services features Includes an Ooma Wireless Adapter – The Wireless Adapter plugs into the USB port of your Ooma Telo so you can place it anywhere in range of your wireless network. Like your kitchen, den, bedroom or anywhere, you decide.