When you set the volume of a device, you set either the in-call volume or the media volume.
The differences between the two are as follows:
The SDK provides six audio scenarios with the
CHATROOM_GAMING and DEFAULT.
GAME_STREAMING, all users use the media volume.
DEFAULT, audience users in the Live-broadcast profile use the media volume, while host users in the Live-broadcast profile and all users in the Communication profile use the in-call volume.
CHATROOM_GAMING, all users use the in-call volume.
Given the system restrictions, the media volume can be set to 0, but the in-call volume cannot. If you want to adjust the volume to 0, ensure that you set an audio scenario where the system uses the media volume.