How Does the FaceTime App Work?


Quick Answer

The FaceTime application connects two Apple devices for a video call using either a Wi-Fi network or a cellular network. The application uses the device's camera for the video. On iPhones, FaceTime is part of the phone application, while on other Apple devices, FaceTime is its own application, as of 2015.

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How Does the FaceTime App Work?
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Full Answer

FaceTime connects devices with Apple-registered phone numbers or email addresses. A user can either use FaceTime to make a call or tap the FaceTime button during a phone call. The other person then receives an invitation to join the video call. FaceTime has a limit of two devices. Devices that are capable of using FaceTime include the iPhone, iPod Touch, iPad and Mac computers.

FaceTime uses the device's front camera by default. However, the user is able to switch the view to the back camera by tapping a button.

To set up FaceTime, the user goes to the device's settings menu and taps FaceTime. After turning on the application, he taps Use Your Apple ID for FaceTime. He signs in with his Apple ID and password, and selects the phone numbers and email addresses people should use to contact him using the application. He also selects a phone number or email address for his FaceTime caller ID.

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