More » ) is a video calling app for Linux and Windows computers.
It supports HD sound quality and (full screen) video that has a quality comparable to DVD.
Note: Go to the Facebook Help Center if you need help using Facebook's video chat feature through or the mobile Messenger app.
However, their audio calling feature can actually be used with regular phones too, for a small fee.Since it runs entirely in your web browser, you don't have to download a program in order to run it.It grabs hold of your webcam and microphone through the Google Hangouts website and delivers HD transmission of both right through the browser.Like Skype, you can make phone calls to non-oo Voo users (like landlines) if you want to pay a fee.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.Skype is the most popular app for voice and video calling.