<node> <interface name="org.freedesktop.ModemManager.Modem.Cdma"> <method name="GetSignalQuality"> <arg type="u" direction="out"/> </method> <method name="GetServingSystem"> <arg type="(usu)" direction="out"/> </method> <signal name="SignalQuality"> <arg type="u" direction="out"/> </signal> </interface> </node>