def fetch(self):
params = values.of({})<EOL>payload = self._version.fetch(<EOL>'<STR_LIT:GET>',<EOL>self._uri,<EOL>params=params,<EOL>)<EOL>return AuthCallsIpAccessControlListMappingInstance(<EOL>self._version,<EOL>payload,<EOL>account_sid=self._solution['<STR_LIT>'],<EOL>domain_sid=self._solution['<STR_LIT>'],<EOL>sid=self._solution['<STR_LIT>'],<EOL>)<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