Use FaceTime on your iPhone - Apple Support

Make video or audio calls with FaceTime.

How to Use Apple FaceTime Like a Pro

How to make a FaceTime call on iPhone, iPad, or Mac

Make and receive FaceTime calls on iPod touch - Apple Support

Apple Support on X: If you want to switch a FaceTime call from one of your devices to another, you don't have to hang up and dial back. Just hand it off.

Use Group FaceTime on your iPhone or iPad - Apple Support

How FaceTime on Apple TV will work - and more on other tvOS upgrades coming soon

Use AssistiveTouch on iPhone - Apple Support

Add or remove your phone number in Messages or FaceTime - Apple Support

Use FaceTime on Mac - Apple Support

Get started with FaceTime on iPad - Apple Support

Set up your AirTag using your iPhone, iPad, or iPod touch - Apple Support