/mcpManagement > End User/Application User), select the user and verify the associated permissions information 12 Standard CTI Use permission removed. Users associated with applications are required to be included in "Standard CTI Enabled" user group. Verify the user group configuration for the user in Unified CM Admin under (User Management > End User/Application User), select the user and review the associated permissions information Error Message %UC_CTI-6-CtiProviderOpened: %[LoginUserId=String][SeqNumber=Long][Version=String] [CTIconnectionId=Long][IPAddress=String][IPv6Address=String][CmAssignedAppID=Long] [AppID=String][ClusterID=String][NodeID=String]: CTI application connection opened.. Explanation Application opened the provider successfully. The IP address is shown in either IPv4 or IPv6 format depending on the Application's IP addressing mode. Recommended Action This alarm is for informational purposes only; no action is required. Error Message %UC_CTI-3-UnableToRegisterwithCallManagerService: %[CmNodeID=Long][AppID=String] [ClusterID=String][NodeID=String]: Unable to communicate with the Cisco CallManager service. Explanation CTI cannot communicate with Cisco CallManager service to register supplementary service features Recommended Action Check the status of the Cisco CallManager service in Cisco Unified Serviceability > Tools > Control Center - Featured Services. At least one Cisco CallManager service should be running in the cluster for CTIManager to register feature managers. Restart the CTIManager service if the problem persists. If CallManager service is active, verify network connectivity between the Unified CM node that hosts CTIManager service and Unified CM node that hosts CallManager service Error Message %UC_CTI-4-CtiProviderCloseHeartbeatTimeout: %[AppID=String][ClusterID=String] [NodeID=String]: CTI heartbeat timed out; application disconnected. Explanation CTI heartbeat timeout occurred causing CTIManager to close the application connection Recommended Action Heartbeat timeout could occur due to high CPU usage or network connectivity problems. Check for and fix any network issues or high CPU usage on the application server. If the application server is running the Microsoft Windows OS use Task Manager or Perfmon to 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 14/343