Google Voice is amazing in of itself but what’s most amazing is that it allows you to call people from all over the US for free and to other countries for just pennies. Using Google Voice in conjunction with the Obi200 or Obi202 will allow you to have a traditional landline for free for life.
2.) Sign up for Google Voice here: https://voice.google.com/u/0/signup
Now that you are all setup you can enjoy making free calls from now on!