def fetch(self):
return self._proxy.fetch()<EOL>
Fetch a AuthCallsIpAccessControlListMappingInstance

:returns: Fetched AuthCallsIpAccessControlListMappingInstance
:rtype: twilio.rest.api.v2010.account.sip.domain.auth_types.auth_calls_mapping.auth_calls_ip_access_control_list_mapping.AuthCallsIpAccessControlListMappingInstance