Where is the Apple video cache?

In the photo application. Take Apple X as an example and take iOS 12. 1 as the system.

To call the other party's iPad, iPod touch or Mac, you can use their email address. Then an invitation will pop up on her screen, and once the other party accepts the invitation, the video call can begin. In this way, you can connect your iPhone, iPod touch, iPad or Mac through your Mac and have a face-to-face conversation with your friends.

Settings:

Setting up FaceTime on Mac is very simple. All you need is an Apple ID and an email address. To start a video call with a friend, just find her contact information in the address book list.

FaceTime works well with the address book, so you don't have to re-enter your contact information. If you want to call your friend's iPhone, just click her phone number.