dbus-send --system --type=method_call --print-reply --dest=com.nokia.mce /com/nokia/mce/request com.nokia.mce.request.keyboard_available_state_req
method return sender=:1.2 -> dest=:1.149 reply_serial=2
   string "not-available"
[root@localhost ~]# dbus-send --system --type=method_call --print-reply --dest=com.nokia.mce /com/nokia/mce/request com.nokia.mce.request.keyboard_slide_state_req
method return sender=:1.2 -> dest=:1.150 reply_serial=2
   string "closed"