Update: I also tried a video call using google meet with the headset connected to the 3.5mm jack and it worked fine so far. Thus, I strongly suspect that this is a software problem with the phone app (or system underpinnings) and not a hardware prob...
I've encountered this problem too. Talking with built-in earpiece and speaker has had no issues thus far. Talking through my car's mic & speakers via bluetooth has had no issues thus far either. A few times I have been on calls with a headset dire...
