This article was accurate at the time but AFAIK the situation has changed. For context: https://phabricator.wikimedia.org/T208263#5170123 tl;dr There were unintended consequences from refactoring DNS configuration and the situation should be back to “normal” now.
After reading this article [1], I created a small "disconnect box" that sits by my front door (it's a repurposed iphone box). When I'm home, and especially when the kids are awake, the phone stays in there. I can hear if someone calls, but otherwise notifications are off. Working quite well so far!