Blutooth not working during calls on Xperia 10 III during call

I got problem with bluetooth not working correctly during calls.
I can’t hear audio from the other caller but they hear me fine.
I got an Xperia 10 III and i have done two updates since the problem occurred but the problem still persist, right now i use 5.0.0.62 Tampella.
I have tried three different headphone and my car but the problem is the same.
Bluetooth audio works for music, movies, web browser and so on it’s only during calls that there is a problem i can even hear typing in the number and the tone when quitting a call but nothing during the call.
If i connect a headset with 3,5 jack instead of bluetooth then it works as expected and i got working audio during calls.
I thought about writing a bug report but wanted to ask here first since maybe it’s known and has a quick fix.

I have the same problem but it’s not constant. Some times it works immediately and some times I need to retry or I just switch to phone audio instead of Bluetooth.

For me it’s always but i would guess that it uses wrong profile like A2DP instead of HFP.
How can i check and change the bluetooth profile?

I had the same problem, it tends to happen some time after using a Bluetooth headset, usually some weeks or months. Doing

$ rm -rf ~/.config/pulse

and then restarting Pulseaudio (I guess?) or rebooting fixes it.

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Thanks that did the trick that’s a good workaround.