Tollef Fog Heen proposes the following patch, only displaying the icon, when it has "something to say".
** Attachment added: "smaller patch" http://librarian.launchpad.net/4822965/bluez-gnome-disable-icon-when-inactive.diff -- Die systray icon die! https://launchpad.net/bugs/65645 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs