preferredDeviceList
The preferred priority of audio devices to use. The first available audio device will be used.
By default, the preferred order is set to:
BluetoothHeadset
WiredHeadset
Speakerphone
Earpiece
The preferred priority of audio devices to use. The first available audio device will be used.
By default, the preferred order is set to:
BluetoothHeadset
WiredHeadset
Speakerphone
Earpiece