Thanks to Rado354 for posting this in BPN.
Skype uses P2P (peer-to-peer) technology to connect you to other users. Not to share files, but to talk with them for free. The technology is extremely advanced, but very simple and easy to use. You will be making perfect quality free phone calls to your friends all over the world in no time using your computers sound card, speakers and microphone. Skype is available in the following languages: Cesky (Czech), Danish, Deutsch (German), English, Español (Spanish), Estonian, Finnish, Française (French), Hebrew, Italiano (Italian), Japanese, Korean, Lithuanian, Nederlands (Dutch), Norsk (Norwegian), Polski (Polish), Português (Brazilian), Romanian, Russian, Simplified Chinese and Svenska (Swedish). Simply download Skype and select the language during installation.
Features:
* Unlimited free high-quality worldwide voice communications
* Superior sound quality (better than your regular phone)
* Works with all firewall, NAT (Network Address Translation) and routers (nothing to configure)
* Friends list shows you when your Skype friends are online and ready to talk or chat
* Your calls are encrypted end-to-end for superior privacy
* Based on cutting edge P2P technology
Changes in version 3.0.0.214
* Known issue: Skype Extras Manager displays error messages onlaunching some of the plug-ins under Windows" Limited User account
* bugfix: SkypePM.exe crashes on first start after installation
* bugfix: Russian language display problems in updater
* bugfix: Groups panel stayed open when user was changed
* bugfix: Contact list focus was lost when using some toolbar buttons