Fring

Fring is a VoIP (voice over internet) app that allows you to make 2-way video calls, voice calls and live chat for free, from your phone or iPod. It offers video calls to other Fring users on any advanced smartphone over both 3G and WiFi, and allows you to connect with your friends on Fring, Google Talk™, MSN® Messenger, Yahoo™!, Facebook and Twitter! It can also act as a SIP client. Fring provides a fringOut service that allows users to call landline or mobile phones at very cheap rates (when compared to those of Skype or of many SIP providers), while maintaining high audio quality.