wahmed wrote:1. It saves you a fair amount of cash.Nowadays we have internet in almost every place. In a few years I see VOIP taking over paid calls, there is more and more people starting to use VOIP rather than the usual call service.
2. It allows more than two people to talk at one time.
3. A lot of useful features ie area code selection.
4. Cheap hardware and software
5. Video calling
6. Efficient use of bandwidth
7.flexible network layout
Whatsapp was the same thing, nowadays it's more common someone use this app to send text messages than the standard one, at least in my country/city...