Originally Posted by Moonshadow
On the 7520 the Jabra's volume can be controlled by the headset volume AND the BB volume setting...Try it! It keeps your eardrums intact
Previous to the update my 7520 volume had no control over anything when using Bluetooth, I had to use the headest volume. Post update the 7520 volume control and the headset volume control seem to be linked somewhat. But this on an HS850 so maybe it's different for Jabra.