GV Dialer will intercept your outgoing call; uses Google Voice to call you back and connect your call for free (in the US).
Flawlessly integrated into phone's contacts app.
Two-way contact filtering support.
GV Dialer can work with Gizmo5/Sipdroid/Fring or other VOIP to make free call.
#How to use? pls see website: http://gvdialer.cpedia.net
Unlike the official Voice app, GV Dialer will routes your call through the internet and will not use your minutes.
You can use GV Dialer with Gizmo5/sipdroid; can also use it when not in US.
To use GV Dialer, you need set up a Google Voice account if you don't already have one.