No sound on computer while on a call with Bluetooth headset (Windows 11)

Weeks ago, I used to be able to get on calls with my Bluetooth headset with no problems, except, obviously, hearing everything on low-quality audio (which happens with Bluetooth devices when the microphone is in use) However, recently I can't hear ANYTHING as soon as I join a call (discord, teams, etc.) or when my microphone is in use. I can't even hear the other people on the call, but they can hear me clearly through my headset mic. I tried disabling the hands-free mode, but that just deactivates my mic, and that's not what I want. I want to be able to talk and hear with the same device (wit

Question by Patrick Fleming on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.