Mizu-WebPhone Demo

You must enable java or install from here

If you don't have Java installed you can install from here.
You must allow this applet to access your computer (Accept the certificate, Click on allow blocked content on IE).
Otherwise it cannot access you microphone and cannot initiate phone calls.
If Java doesn't work for you, than click here to start a call from your desktop soft phone application.
If you don't have a softphone you can download a free one from here.

Webphone homepage