Skype is the most popular VoIP (Voice over IP) application. Skype is more than just a tool to make phone calls over the Internet, it’s a complete solution for almost any kind of communication needs.
Skype is a powerful and feature-rich application. It also includes support for video calls and instant text messaging, file sharing, group calls and a lot more. It’s also pretty easy-to-use: it lets you easily create your account and edit your profile, add contacts and phone numbers, organize your contacts in easily manageable groups, and enjoy video calls, voice calls or simple text messaging