When you call someone using Google Meet, the other person gets a live preview video of you while their device rings if they have you as a contact. You won't get their live preview video until they answer.
Important: Knock Knock is available for Google Meet 1:1 and group video calls. Knock Knock isn't available when you join a meeting in the Meet app.
Turn on Knock Knock on Meet calling for web
- On your computer, sign in to meet.google.com/calling/.
- At the top right corner, click Settings .
- Turn on Knock Knock.
Learn why you can't get a preview video for incoming calls
If you don't get a preview video when someone calls, then the caller:- Turned off Knock Knock
- Isn't in your contacts