Enjoy free nationwide calls with Ooma home phone service, rated the top phone service by Consumer Reports. You only pay monthly taxes and fees. Ooma Telo Air uses VoIP technology to deliver service through your Wi-Fi connection. Connect wirelessly to Telo Air, place it anywhere in your home, and get all the features of a traditional landline, such as caller ID and call waiting, plus safety features like robocall blocking and address-based 911. Use your own phone or the included cordless handsets to complete your home phone system. The Ooma HD3 handsets have a 2" color screen and can sync to your contacts from other applications. Take your home phone anywhere by using the Ooma mobile app.