Callbux network is Free Phone Calling service. You can make FREE International Calls and CHEAP INTERNATIONAL CALLS
There are several ways to make calls. You can make phone calls with Iphone App, Android App, Windows Mobile App, Blackberry, Symbian, Pc Dialers, Mac dialers and with facebook app.
Sign up with the callbux facebook app and get free calling credits. You can also get free credit by inviting your friends on facebook to join the service. You will get