Skype is a well known software program that would helpful and makes easy phone calls to you by connecting with the Internet using voice over IP (VOIP) technology. This service provides free calls to the customers from skype to skype and from skype to non-skype phone numbers.. The application also combines video conferencing, file transfer, chat and instant messaging within the application. It runs like a pc.

Now it is available on your own iphone, which gives you the facility to make free calls with the use of skype to any phone number either they are the subscriber or non subscriber of the skype with your iPhone.