Tips

Critical Notifications

Example a water issue that could create a serious damage need a different way of notification.

The problem: iPhone in mute does not allow sound to almost any application (e.g. telegram)

The solution: sms and tts voice phone call using ClickSend service. You could configure iPhone to bypass the mute per sms/phone call see here how https://blog.pushover.net/posts/overriding-the-mute-switch-and-do-not-disturb-with

It cost around 0.02$/call.