Panic Button/Silent Alarm with innovaphone IP PBX and optional Shelly button 1

Innovaphone has got a tutorial on how to implement a panic alarm with a function key on an IP phone which uses a BC conference object. This is good, but depends on the availybility of the function key. The key wouldn’t be available if you’re not on the IP phone’s home screen.

I needed something that can utilise a dedicated hardware button. Another helpful tip came from Nicos innovaphone Blog using multicast announcements.

This enabled me to build the following using a http command with a Shelly button 1:

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