Gizmo Project

Gizmo Project is a free program that uses advanced VoIP technology to allow you to talk with your friends around the world.
Gizmo Project uses your internet connection (broadband or dial-up) to make calls to other computers. With the click of a mouse, youre connected to friends, family, and colleagues anywhere on earth. Its just that simple. You talk clearly. For as long as you want. For FREE.

And with inexpensive add-ons like Call In and Call Out, you can talk to any telephone (mobile or landline) on the planet.

Operating Systems : Windows 2000 or XP
Company : SIPphone
License : Freeware
Download Site : SIPphone