The Ooma Telo Air offers free internet home phone service with crystal-clear nationwide calling. It features built-in wireless connectivity, allowing you to place your Ooma Telo anywhere in your home.This service includes unlimited calling in the US, voicemail, caller-ID, call-waiting, 911 calling, and text alerts. You only pay monthly applicable taxes and fees.Take your home phone on the go with the easy-to-use mobile app. This VoIP home phone service can also be used with internet providers.