def ip_access_control_list_mappings(self):
        """
        Access the ip_access_control_list_mappings

        :returns: twilio.rest.api.v2010.account.sip.domain.ip_access_control_list_mapping.IpAccessControlListMappingList
        :rtype: twilio.rest.api.v2010.account.sip.domain.ip_access_control_list_mapping.IpAccessControlListMappingList
        """
        if self._ip_access_control_list_mappings is None:
            self._ip_access_control_list_mappings = IpAccessControlListMappingList(
                self._version,
                account_sid=self._solution['account_sid'],
                domain_sid=self._solution['sid'],
            )
        return self._ip_access_control_list_mappings
Access the ip_access_control_list_mappings

        :returns: twilio.rest.api.v2010.account.sip.domain.ip_access_control_list_mapping.IpAccessControlListMappingList
        :rtype: twilio.rest.api.v2010.account.sip.domain.ip_access_control_list_mapping.IpAccessControlListMappingList