Robberies via babble tricks are increasingly common.
Doorbell tricks are excuses that scammers use to try to enter your home and then rob you.
Be alert to who you allow access to your home. We currently have the Panasonic intercom on offer again. A fantastic system consisting of a fixed and hands-free indoor station. You always see who is at the door and you can talk to this person from anywhere in the house before you decide to open the door.
This Panasonic also comes in a cheaper variant with App control for smartphone and tablet.

https://www.larcoz.nl/productcatalogus/aanbiedingen/panasonic-vl-swd501ex-intercomsysteem/