It could be annoying for anyone to receive calls from Facebook while doing some important work. So, this is the guide for How to turn off messenger calls.

1. Open your Facebook application.
2. Move to the messenger and open the chat of the person that you want to mute the notifications.
3. Click on the i button at the top of the screen.
4. Scroll down and press the bell icon to mute the notification from particular chat.
5. Do the same for other Facebook profiles.