'Access the ip_access_control_lists
:returns: twilio.rest.api.v2010.account.sip.ip_access_control_list.IpAccessControlListList
:rtype: twilio.rest.api.v2010.account.sip.ip_access_control_list.IpAccessControlListList'

@property
def ip_access_control_lists(self):

    if (self._ip_access_control_lists is None):
        self._ip_access_control_lists = IpAccessControlListList(self._version, account_sid=self._solution['account_sid'])
    return self._ip_access_control_lists
