I have the same issue with the headphone's microphone. My Bose 700 connects and has sound output for A2DP, but terrible audio quality (HSP/HFP) when switching on headphone's microphone.
Laptop: Acer Predator G9 591 2016 OS: Ubuntu 20.04.01 LTS Kernel: 5.4.0-66-generic Headset: Bose 700 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1871794 Title: [Bluetooth] No audio output/input in HSP/HFP mode To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1871794/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
