I got google voice, but I'm not going to let you know what my number is. If you have me on your google contacts, lucky you, you can go ahead (all the way at the bottom right), use your google voice application on your desktop to call me. It's that easy.
Or, if you don't have a google voice acc, and if you are in the U.S. and have a number, use the google voice app to connect the call. :)