Fermax video intercom

Hi there, i am interested in the study of fermax 3311 monitor, just to know if there IS any smartification of It.

I live on my own house, wich has a bell ringer at the street door with video and audio capabilities, when someone rings the bell, the buzz rings inside the house and i can Talk/view to the visitor.

The point IS that i dont know if a shelly/sonoff relay can do somthing for me.

This IS the wiring inside home

Some info → https://doorentrydirect.com/media/product_attach_files/9/7/97493c_monitor_loft_vds_con_melodias_v10_12.pdf


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