Alarm_stream_max doesn't seem to work on Android 12?

Before I raise a bug report I thought I’d see what people think here.

I want to create a smoke alarm notification, so I want it to always come on and be as loud as possible, regardless of the phones volume/silent settings.

If I set my channel to alarm_stream then the notification is shown, the phone vibrates and the default alarm sound plays very quietly.

If i set the channel to alarm_stream_max then I get no sound at all…

Using the Developer Tools to call the notification service with the following data:

channel: alarm_stream
priority: high
ttl: 0
importance: max
ledColor: "red"
color: "red"
notification_icon: "mdi:fire-alert"
vibrationPattern: "100, 1000, 100, 1000, 100"

Am I doing something wrong? Does anyone have an example of the settings I need for such an alarm notification?

Thanks

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Guess this could help

On iOS it doesn’t do anything either. But at least you have documentation on what should work.

Thanks, I’ve done this, it doesn’t work

Still no solution for this issue?

Any ideas how I can send critical alerts to Android (version 13)? The alarm sound stops automatically after 5 seconds. Not long enough to wake me up. I also don’t discover any difference between alarm_stream and alarm_stream_max.

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