Using Shelly as a floor call module
Log in to the SIAS web interface.
Open the "Smarthome" menu item and enable and save the function:
"Enable HTTP floor call (hallway) interface"
And copy the URL: http://172.16.10.138/api/ring_hall/[NAMEPLATE_ID]



Open the Shelly1 web interface (see the instructions supplied with the Shelly1).
Under Internet & Security -> WIFI MODE – CLIENT, connect the Shelly to your existing WiFi.

as follows:
The number 27 used here as an example represents the doorbell button ID (see step 4).
