I also experience this issue with 2 different Brand of Bluetooth Headset: ATH-CRK75BTH Edifier W200BT
Problem also appears every time I switch bluetooh devices as INPUT device and OUTPUT using HEADSET Unit (HSP/HFP). Input indicator bar doesn't move and test OUTPUT doesn't produce any sound. When I tried video conferencing with my friend, he couldn't hear my voice and of course I can't hear him either. This is fresh installation using Ubuntu 20.04 (no prior Ubuntu or other Linux distro in this laptop). A2DP mode works normal. Currently I'm using internal laptop microphone and A2DP combination for video conferencing. Just now, I ran "sudo apt dist-upgrade, some packages were updated. But still not work for HSP/HFP mode output and Bluetooth mic input. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to pulseaudio in 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 Status in bluez package in Ubuntu: Confirmed Status in pulseaudio package in Ubuntu: Confirmed Bug description: After updating the release from Ubuntu 19.10 to 20.04, the bluetooth headset doesn't work anymore when HSP/HFP profile is selected. With Ubuntu 19.10 the headset was working, there was audio and the mic was perfect for video conferencing. [Steps to reproduce] 1. Connect headset (used blueman to setup and connect) 1.1. When connected the system automatically selects A2DP profile 2. Start playing audio (browser or other) 3. Change profile to HSP/HFP with pavucontrol (or blueman) 4. The audio disappears 5. Optionally switch back to A2DP and the audio comes back [Expected] When switching to HSP/HFP the audio should keep playing and the microphone should start working [Notes] I tried with pavucontrol to switch between profiles while playing audio from a browser. As side note there's a led in the headset that still blinks when switching profile. I tried deleting the pulse folder under user's profile .config without success, also reinstalled packages and did a `sudo alsa force-reload` and rebooting several times. Note: not sure this is a duplicate of [Bug #1576559], it looks quite different since the profile changes but the headset stops working. [System info] Ubuntu: 20.04 - Linux 5.4.0-29-generic x86_64 pulseaudio: 1:13.99.1-1ubuntu3 bluez: 5.53-0ubuntu3 Headset: Sennheiser HD 4.50 BTNC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1878194/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp