def getADSLInfo(self, wanInterfaceId=1, timeout=1):
        """Execute GetInfo action to get basic ADSL information's.

        :param int wanInterfaceId: the id of the WAN device
        :param float timeout: the timeout to wait for the action to be executed
        :return: ADSL informations.
        :rtype: ADSLInfo
        """
        namespace = Wan.getServiceType("getADSLInfo") + str(wanInterfaceId)
        uri = self.getControlURL(namespace)

        results = self.execute(uri, namespace, "GetInfo", timeout=timeout)

        return ADSLInfo(results)