Why my microphone is muted when starting or joining a conference?
When you start or join a conference your microphone is automatically muted by default, unless otherwise configured by the administrator of the domain that the conference belongs to. This minimizes the noise and disruptions when many people join the conference and forget to mute their microphone. You need to unmute your microphone when you want to talk.
When you start or answer a direct call, your microphone is unmuted.
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