Install bluez-btsco by entering the following commands in the terminal:
sudo apt update sudo apt install bluez-btsco
Description:
Bluez Bluetooth SCO tool
A tool to that provides a way to use a bluetooth headset with Linux. It works well enough now to get voice-quality audio to and from most headsets
Homepage: http://bluetooth-alsa.sourceforge.net/
Version: 1:0.50-0ubuntu6
Section: universe/sound