Sign up here at whistle.com Link: http://whistlephone.com/
.
Get a US number for free incoming and outgoing calls . Outgoing is an ad
based service ( need to listen to a 15 sec commercial) . Incoming - no
commercial.
configuration : Account is your phone number , proxy server : proxy.
whistlephone.com
Can also set up this number in Google Voice call forwarding ( select Gizmo
type ) .