A CDE Definition
Apple's video and phone calling application for the iPhone, iPad, iPod touch and Mac. Similar in function to Microsoft's Skype, FaceTime works only on Apple products, whereas Skype runs on every major computing platform, desktop and mobile.
FaceTime was introduced with the iPhone 4 in 2010 as a video calling service over Wi-Fi to the Internet. As of iOS 6 in 2012, video calls can also be made over the carrier's 3G/4G cellular network, using up data plan bytes as with all cellular Internet connections. In 2013, voice was added (see FaceTime Audio).
A voice over IP (VoIP) option in FaceTime, introduced in 2013 with the launch of iOS 7. Similar to Skype, which came out in 2004, FaceTime Audio lets users make free voice calls over Wi-Fi without using up cellular or landline minutes. However, unlike Skype, which runs on every major platform, FaceTime Audio works only between Apple products: iDevices starting with iOS 7 and the Mac starting with OS X Version 10.9 (Mavericks). See FaceTime and VoIP.
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