The alarm sound settings in <audioCfg>.
optional
channelId: number
Zero-based channel.
optional
timeout: number
Timeout.
optional
audioSelect: number
Which sound to play, as a number.
optional
volume: number
Playback volume.
optional
preAlarm: number
Pre-alarm setting, as a number.
optional
visitorLoudspeaker: number
Visitor loudspeaker setting, by its name; values not recovered. Video Doorbell PoE only.