Skype offers free VoIP calls between Skype users. All you need to do is to download Skype to your Mac or iDevice, and a registration for a Skype account on their website.
The best thing about Skype is that it is available on all desktop platforms and almost all mobile platforms. Therefore there is a great possibility that your family and friends are likely to have a Skype account already that you would be able to call for free.
While you can make both audio and video calls from Skype the quality of both the calls is at par with the best in the industry. In terms of voice quality and video image it beats most of the competitor hands down. With its multi-user conference facility, it is also possible to conference audio and video with multiple people at the same time.
The interface is very clean, simple and intuitive to use. It doesn’t matter what IM/VOIP you’ve been using for a while but it does not take time to get used to the user interface of Skype. The IM(chat) client is simple and allows you to set user status that is visible for others. It also allows file and desktop sharing.
Skype to Skype calls are free, but the company also offers a variety of paid add-ons like real phone number and cheap calls to landlines and mobiles. Through the paid telephony service you can make free calls to phones of a particular country or call any phone across the globe at pre-defined rates. It is also possible to own a number in particular country through Skype so that people from that country can make a call to you at local rates.
Skype syncs with your address book on you Mac. This makes it easy for you to call people in your address book directly through Skype. You can either choose to call them on their Skype-id or on their landlines/mobile phones.
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