ToiGo, an application for free calls and free sms over the Internet, both wifi and 3G.
ToiGo also provides voicemail. You can leave audio messages and retrieve them calling to the phone number 1234.
ToiGo is integrated with your contacts. From them you can call them via ToiGo. You can also send SMS over Internet.
ToiGo is similar to other applications like Viber, Skype, Tango, ... and it will be also available over iPhone in June 2012.
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