if someone can help me here that would be amazing!

basicaly i want to put qbw widget for lets say, to call friend(lets call him mike). would i put this command in dbus-send --type=method_call --dest=com.nokia.HildonDesktop.AppMgr /com/nokia/HildonDesktop/AppMgr com.nokia.HildonDesktop.AppMgr.LaunchApplication string:"osso-addressbook".......and after the word addressbook do i put in the name of the contact?