free talk on Iphone 4 / 3Gs, and more phones

Tango,

I recently download this software from apple store it is completele free.

and it works very good you can make real calls and video calls.

also can use you back phone camera for or front camera for iphone 3gs.

that is kinda cool.

for list of working phones :
http://tango.me/product/phones.php

and you can download it from appl store for free :]

• Free video calling to your friends and family around the world, wherever you are
• Call between iPhone and Android phones on 3G, 4G and Wi-Fi
• Populates Tango Contacts automatically from existing phone contact list
• Invite friends and others by e-mail or text
• Switch cameras and swap screens to show what is around you
• Move between video to audio and back to video
• Simple and easy to use
• Create an account in less than five seconds - New profile not required