However, if you do have a Mac, i Phone, or i Pod touch, you can easily make video or audio calls from the device, almost in the exact same way you would make a regular phone call.

Similar to Google Hangouts, Facetime lets you search through your phone's contacts to find someone to call.

It works on Windows and Mac computers but also mobile devices like Black Berry, i OS, Android, Nokia, and Kindle.

You can also join chat rooms, send stickers, make audio only calls, and set up group chats.

So long as both users are using the oo Voo app, they can make video calls as often as they like, for Voo was created in 2007 and works with a range of other platforms like Windows Phone and even inside web browsers.

More » If you have a Windows computer, Viber might be the perfect free video calling app for you.

that let you make completely free video calls and video chat sessions through your desktop or laptop computer?

Otherwise, oo Voo to oo Voo video and audio calls are completely free. For example, oo Voo lets you call a Mac computer from a Windows computer, or an Android phone from an i OS phone.This lets you not only login but also easily reach the contacts you already have stored in Gmail.On top of that, though, Google Hangouts is actually pretty intuitive and easy to use.It's as easy to use as selecting a contact from the "Viber Only" section of your contact list, and then using the video button to start the call.Viber lets you turn the video off whenever you like, mute the call, or even transfer the call.