To do this, sign in to your zoom account with your credentials and then tap on your profile picture to open settings. You can now click on the Video option and then turn off the camera for your video call on the zoom meeting.
Zoom meeting app also confirms before a meeting if you wish to turn on your camera and audio while attending a zoom meeting.
Can I Add My Friends On A Zoom Meeting?
Only the admin of the zoom meeting can allow new participants in the zoom meeting and only he can send zoom meeting invites to other participants.
If you are the admin of the Zoom Meeting then you can surely add your friends to this zoom meeting by sending invites.