Obihai OBi200 1-Port VoIP Phone Adapter with Google Voice and Fax Support for Home and SOHO Phone Service, Blue;

Use Google Voice with the OBi and enjoy free calls inside the USA and Canada
Call internationally at amazingly low rates to over 150 destinations
Rates to China, India, and Mexico as low as 1 per minute €“ with no connection fee
When someone calls, ring multiple OBi devices, anywhere
Block unwanted nuisance and tele-marketer calls
Voicemail that acts like email
Designed, developed and supported in the USA
Many more features!. Automatic Attendant for Simplified Call Routing (AA).