Not sure what you need. I'm on a Macbook Air with up to date version of MacOS 15. Version Version: 8.16.3 (2) of your MacOS app.
Happens with cellular minutes, cellular data, or on several Wi-Fi networks.
Happens with Macbook speakers and with Airpods.
Has been going on for weeks or more, I rarely used the desktop app before trying to use the AI scribe with it.