Red5phone can make a call, but no audio. why?

As title, I am using Red5 RC3 Hundon 130 stable veriosn and complied running on netbeans. red5phone can make a call, but no audio. why?
anyone can help me so solve this problem?

Thank you!!

Use latest version from http://code.google.com/p/red5phone/ and see http://code.google.com/p/red5phone/issues/detail?id=37#c5 for more details

Hello everyone,

I’m having the same problem, followed what was said, but not resolved.

There is another way to solve this problem?

Ratz