Hi. I encounter the same problem this week, with bluetooth earbuds. I have posted with a few more details, awaiting moderation.

Did you manage to find a solution in iOS (sending and receiving) that preserves full duplex?

Thanks!

Hello forum! I'm looking for advice on how to resolve this issue arising from bluetooth earbuds/earphones connected to iPhone. When I speak into the bluetooth mic, the output at any receiving phone is garbled (digital artefacts). iOS: 12.1.4 Mumble: 1.3.1 By borrowing, I have found that some bluetoo...