sound – HSP/HFP Profiles do not work

This question seems to be asked a lot, but so far no solutions have worked for me. I’ve tried following but after following the steps the same issues were seen. I’ve also followed many answers on this website to no avail.

What it looks like before with A2DP Sink:

What happens after changing to hsp/hfp (note that the mic bar freezes and the ‘volume’ shows the muted mic icon):

I don’t think it’s an issue with my headset but I haven’t ruled it out.

Any help or additional questions would be very great. I’ve been struggling with this for a while.

(Ubuntu 20.10)