搞定Google Voice+Gizmo5
http://www.jrin.net/2009_07_26/use-gizmo5-for-free-calls-with-google-voice
http://www.netphonedirectory.com/sipdiscountpap2.htm
http://www.bargainshare.com/index.php?showtopic=69607
http://www.jrin.net/2009_07_26/use-gizmo5-for-free-calls-with-google-voice
http://www.netphonedirectory.com/sipdiscountpap2.htm
http://www.bargainshare.com/index.php?showtopic=69607