Events that are triggered when hardware device is added/removed/updated.
Event is triggered each time when device is added/removed. Devices that trigger the event: microphones, video camera and sound output (available only in Google Chrome).
Event is triggered when local video or audio is started. E.g. when local video or screen sharing is stared.
Event is triggered when local video or audio streaming is stopped. E.g. when local video or screen sharing streaming is stopped.