Ooma Telo Air FREE Home Phone Service with Wireless Adapter Free international calling with low international rates Voicemail, caller-ID, call-waiting and 911 service Uses existing home phones - no computer or headset required Keep your current phone number (for a one time fee) or pick a new number at no charge Wireless N adapter supports 802.11b/g/n wireless routers and allows the Ooma Telo device to be installed anywhere in the home