In most case, we need to change FaceTime caller ID in iPhone when we notify through contact number or mail address at the FaceTime call receiving end. If you shared your contacts to your friends, Family and ad Business address, Saved contacts at the receiving end will appear if you set cell phone number as FaceTime caller ID, Some time if you noticed/ Tested, Receiver said your mail ID/ iCloud ID appear on screen when you make audio or Video FaceTime call.
Useful: FaceTime Not working in iPhone: Before make call
Change FaceTime ID as Number or Email ID you don’t have to request to your Career, Apple Will automatically show your changes, But you must activate FaceTime to your carrier.
How to Change FaceTime caller ID in iPhone, iPad: iOS 9
See below example for FaceTime audio call at the receiving end, after change FaceTime address from caller side.
Step 1: Go to the Setting app from your iPhone, iPad.
Now you can manage/ Change FaceTime caller ID in iPhone, iPad, if you are using Mac and Want to call from Mac or iOS device then iCloud ID should be more convenient as a common identity for your Friends from receiver side.
I recommended Call number is best at the time of if you are activate or using only iOS device as FaceTime video/ Audio call, other Wise Email ID as FaceTime caller ID is the best choice.
Now, more query and troubleshooting guide on Change FaceTime caller ID in iPhone, iPad or Mac/ MacBook, kindly share your story in below comment box in brief. We are happy to help.