All calls are free, but you have to pay for Internet data.

Smartphones have totally changed the way we use a gadget.

Modern phones with good Internet connection provide free alternatives to voice and video calls.

You can challenge the caller on the other end in the real-time.

Download Tango for Android | Download Tango for i Phone Kakao Talk is made for almost all mobile platforms Android, i OS, Blackberry, Windows Phone and even Bada.

The unique Skype feature is the ability to make online group video calls.

Just create a group out of your Skype contacts and tap the Camera sign to launch a video chat.

Don’t forget that you can always record i Phone calls.

Check our detailed Facetime guide and learn how to use Facetime.

Voice Chat App: Party Line is the first voice chat for the i Phone and i Pad. Enter Partyline, choose your match setup, press connect, and Partyline connects you in a one-on-one voice chat with another person.

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