Schwimming?

Google is your friend:

If you’re unable to make FaceTime calls on your Apple Watch, go to iPhone Settings > FaceTime and if you see Use your Apple ID for FaceTime, tap it. Once you have enabled FaceTime via your Apple ID, restart both iPhone and Apple Watch. After this, the calls should not fail.

https://www.idownloadblog.com/2022/01/21/how-to-fix-facetime-not-working-apple-watch/

I swear I read an article about this earlier in the season.

Toggle FaceTime audio on the watch.

iPhone 19 gonna slap so hard.

Seriously get a new phone when you need it. You’ll never the win the wait-for-something-better game.

Switch carriers to one that does

There’s gotta be somewhere in the middle between those extremes.

Welcome to early September. Who ya got in the World Series?