|  |  |  |  | 
        All objects (Manager,
        Modems,
        Bearers,
        SIMs,
        SMSs) exported at the
        org.freedesktop.ModemManager1
        bus name implement the standard
        
          org.freedesktop.DBus.Introspectable
         interface. Objects implementing this interface will provide an
        XML-based description of the object and its interfaces.