I'm experiencing this issue after upgrading to 20.04 from 19.10. My headphones are Bose QC35s. Pretty much exactly the same symptoms. Sound works well from A2DP profile. Sound stops working when HSP/HFP is selected. Works when A2DP is,again, selected.
Tried deleting the user .config profile. [system info] ubuntu: 20.04 - 5.4.0-31-generic hardware: dell xps 13 7390 pulseaudio 13.99.1 headset: bose qc35 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1878194 Title: [Sennheiser HD 4.50 BTNC] Bluetooth headset not working when selecting HSP/HFP audio profile in Focal Fossa To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1878194/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs