OBi202 2-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service Works with Google Voice Easy to Set-Up Using OBiTALK.com Also Supports T.38 Fax and SIP Bring Your Own Device Services like Anveo Callcentric, Voip.ms, etc. Works with Up to Four (4) VoIP Services Across Two (2) Phone Ports 1x USB for Obihai Accessories OBiWiFi and OBiBT,Receive calls to your Google Voice number then use the OBi device to bridge to your iPhone, iPad, iPod touch and Android devices using Wi-Fi, 3G or 4G (without using your cell minutes). Works with Google Voice Caller ID Call forwarding Call waiting 3-way calls Faxing Block anonymous calls Do not disturb Missed call notifications via email Voicemail notifications via email / text Voicemail forwarding as email audio attachments Voicemail-to-text via email and web Free Canadian calling