Woize™ turns your PC into a real telephone!

Woize™ is digital telephony made simple. When signing up, you receive your own phone number that can be used from any computer anywhere in the world to call your friends and business partners at incredibly low rates. And they can call you - right to your computer!
Woize™ features:

* Ultra cheap phone calls billed per second
* No sign-up or subscription fees
* Free real telephone numbers
* Outgoing SMS
* Free voice mail
* Caller ID
* Call forwarding
* And much more!

http://www.woize.com/