If you want to make a voice/video call with your friends within the app, you can follow these steps:
1.Click on your personal profile picture
2.Click on the gear icon in the upper right corner
3.Select “Notification”, automatically jump to your device’s JusTalk permission control page,
4.Click on “Microphone” and “Camera”, and then open the permission.
At the same time, you need to return to the settings page within the JusTalk app, click to enter the “Privacy&Security” page, and confirm that your “Microphone” and “Camera” are turned on.