For all the following links, this is what worked. It won’t answer the calls or hang them up from the headset.
$ sudo mkdir /etc/X11/xorg.conf.d
then edit /etc/X11/xorg.conf.d/headset.conf
# Copy/paste the following content & save file :
Section "InputClass"
Identifier "Plantronics"
MatchVendor "Plantronics"
Option "Ignore" "true"
EndSection
The following guide will help you to make Plantronics headset buttons work.Mute button on USB headset steals and holds on to mouse focus
http://www.plantronics.com/us/product/plantronics-hub-desktop
https://github.com/darlinghq/darling-dmg
This project allows ordinary users to directly mount OS X disk images under Linux via FUSE. darling-dmg is part of Darling