On Wed, Sep 06, 2023 at 02:46:05PM +0200, Antoine Nauzet wrote: > Hello, > > I'm working on a Raspberry Pi 4, with an USB Bluetooth dongle, trying to > connect is to an android device as a hand free device. > > My configuration is the following: > > - kernel version 6.1.21 > - bluez version 5.55 > - Pulseaudio version 14.2 > - ofono version 1.31 > > I manage to make the connection, and the bluetooth device is detected by > Pulseaudio. The HSP/HFP profile is available. But when making a call, after > a certain time, the HSP/HFP profile change to unavailable. The device is > still connected, I can play sound from the android device to the raspberry. > But the sound from the call is not working anymore. > > What could explain the lost of the profil? Is there something to do to keep > it up? > > I tried with the last version of pulseaudio, compiling it from the sources > get from the git repository. The version is now 16.99.1-8-g13ef0. > Now, when connecting the device, both HSP and HFP are not available! I > could not get them to be up. > > Is there anything I have to do to make it work? When installing pulseaudio > with apt-get, I was installing pulseaudio and pulseaudio-module-bluetooth. > Is there something to include it when installing from the sources? > > What should I check to start figured out what is going on? > > Thank you for your help > Antoine I would start with using your distro's pulse package and checking both the system logs and the pulseaudio logs. I would expect there to be some chatter when a bluetooth device event like that happens. --Sean