#bus.add_signal_receiver(self.stop_notification, "NotificationClosed", "org.freedesktop.Notifications", "org.freedesktop.Notifications", "/org/freedesktop/Notifications")
#bus.add_signal_receiver(self.handleMissedCall, "Notify", None, None, None)
#bus.add_signal_receiver(self.handleMissedCall, "MembersChanged", None, None, None)
#bus.add_signal_receiver(self.stop_notification, "NotificationClosed", "org.freedesktop.Notifications", "org.freedesktop.Notifications", "/org/freedesktop/Notifications")
#bus.add_signal_receiver(self.handleMissedCall, "Notify", None, None, None)
#bus.add_signal_receiver(self.handleMissedCall, "MembersChanged", None, None, None)