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 a 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, call waiting, robocall blocking, and access to 911 services. Use your own phone or Ooma cordless handsets to complete your home phone system. Take your home phone anywhere by using the Ooma mobile app.