www.thechatphone.com

        Get your facebook chat enhanced with voice chat using  TheChatPhone. Just download and install the free TheChatPhone software.

Link: http://www.thechatphone.com/

www.jaxtr.com

Jaxtr is a leading provider of FREE mobile-to-mobile telephony, At jaxtr, you get

Unlimited free calls to supported countries

Global voicemail box with online access

Unlimited text and ping messages with other members

Personalized contact page, "call me" widget and more ...

Link: http://www.jaxtr.com/