QDBusConnection::systemBus().connect("com.nokia.policy.pcfd", "/com/nokia/policy/audio_route","org.maemo.contextkit.Property", "ValueChanged", this, SLOT(headsetConnection(const QDBusMessage& msg)));
signal sender=:1.33 -> dest=(null destination) serial=297 path=/com/nokia/policy/audio_route; interface=org.maemo.contextkit.Property; member=ValueChanged array [ variant string "headset" ] uint64 6577358612055