/mcpwill be routed through the PSTN instead. Calls through the PSTN to learned patterns will be maintained for a certain period of time before the PSTN failover times out. Recommended Action Investigate possible causes of a TCP connection failure, such as power failure, loose cables, incorrect switch configuration, and so on, and correct any issues that you find. After the connection is restored, CCD will try to register/sync with the SAF Forwarder automatically. Error Message %UC_CALLMANAGER-3-SAFForwarderError: %[IPAddress=String][SafClientHandle=UInt] [ApplicationUserName=String][ReasonCode=Enum][SAFProtocolVersion=String][ServiceID=UInt] [SubServiceID=UInt][AppID=String][ClusterID=String][NodeID=String]: SAF Forwarder error response sent to Unified CM. Explanation Unified CM received an error from the SAF Forwarder Recommended Action Refer to the reason code and description (help text) for specific information and actions (where applicable) for this alarm Reason Code - Enum Definitions Enum Definitions - ReasonCode Value Definition 400 SAF_BAD_REQUEST - SAF Forwarder was unable to accept the request due to incorrect syntax (malformed), missing required attributes, and other similar reasons. Investigate the configuration between the SAF Forwarder and Unified CM to be certain that all settings are correct for your deployment. In particular, check the Client Label configured on the router to make certain that it matches the Client Label configured in Cisco Unified CM Administration on the SAF Forwarder Configuration window (SAF > SAF Forwarder). 431 SAF_INTEGRITY_CHECK_FAILURE - A message failed to pass SAF Forwarder security validation. This can occur because of misconfiguration, a potential attack, or more commonly by incorrect provisioning of the password on the Forwarder and SAF client. Reprovision the password and keep a watch on further SAF INTEGRITY CHECK FAILURE alarms. If you receive a persistent number of SAF INTEGRITY CHECK FAILURE alarms, close the interface between SAF Forwarder and Unified CM and investigate the source of the IP packets. 5/24/26, 3:34 AM System Error Messages for Cisco Unified Communications Manager 15 - Cisco https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/err_msgs/15_x/ccmalarms15.html 279/343