You can screen record a FaceTime call on an iPhone or Mac, with or without audio.
You can start a group FaceTime and make calls with up to 32 other Apple devices, just by using the plus icon or "Add Person" ...
The addition of a FaceTime app in tvOS 17 for the Apple TV 4K (2nd generation or later) lets you take advantage of a big screen for viewing and Continuity Camera with an iPhone or iPad for your video ...