This reminds me of a rotary phone experience I had about 30 years ago.
It didn't involve a rotary phone directly, but a telephone network that was still compatible with them.
Rather than repeat the story, I'll link to it here:
https://news.ycombinator.com/item?id=40391220
If anyone needs their curiosity piqued, it involved a loud knock on the door and...
"San Jose Police! Open up!