Ooma Telo Free VoIP Home Phone Service Bundled with Wireless Wifi Adapter Crystal clear nationwide calling for free and low international rates. Pay only monthly applicable taxes and fees. PureVoice HD delivers superior voice quality for a consistently great calling experience Works with your high-speed Internet and any home phone; installs in minutes. Also works with WiFi with the wireless WiFi adapter included in this bundle Includes nationwide calling, voicemail, caller-ID, call-waiting, 911 emergency service, and Ooma mobile app Can be plugged in worldwide to call to the US and receive calls from the US