Sound sometimes disappearing for incoming calls

Checklist

[X] I can reproduce the bug with the latest version given here.
[X] I made sure that there are no existing issues - open or closed - to which I could contribute my information.
[X] I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
[X] I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
[X] I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
[X] This issue contains only one bug.
[X] I have read and understood the contribution guidelines.

Affected app version

1.3.0

Affected Android/Custom ROM version

Android 11

Affected device model

Nokia 1.4

How did you install the app?

Google Play Store

Steps to reproduce the bug

I noticed this issue occurs a few times. When someone calls, I can hear their voice but they cannot hear mine. It is a rare issue (occured like 3-4 times since #259). The pre-installed google phone app works fine.

Expected behavior

Caller should hear my voice back always.

Actual behavior

Caller cannot hear my voice

Screenshots/Screen recordings

No response

Additional information