/mcpon the phone before. Error Message %UC_PHONE-6-NotSupportAlarm: %[DeviceName=String][DeviceIPv4Address=String] [DeviceIPv6Address=String][DeviceIPAddressingMode=String][DeviceIPv4StackState=String] [DeviceIPv6StackState=String][DeviceNotSupport=String][AppID=String][ClusterID=String] [NodeID=String]: The device does not support the feature Explanation This alarm is reporting which feature is not supported by the device. e.g. The VPN is not supported in IPv6-only mode. The EMCC is not supported in IPv6-only mode. The PFS is not supported in IPv6-only mode. Recommended Action Informational purposes only; no action is required Error Message %UC_PHONE-6-SendLogsResult: %[DeviceName=String][IPv4Address=String][IPv6Address=String] [StopReason=String][AppID=String][ClusterID=String][NodeID=String]: Send logs to remote log server unsuccessfully Explanation Send logs to remote log server unsuccessfully Recommended Action Informational purposes only; no action is required Error Message %UC_PHONE-1-APNSAlarm: %[Type=String][DeviceName=String][DevicePkid=String] [IssueDescription=String][AppID=String][ClusterID=String][NodeID=String]: Jabber on IOS device encountered an issue processing a Push Notification Explanation An iOS Jabber client was unable to process an Push Notification. Recommended Action Contact Cisco TAC for further assistance. Error Message %UC_CPNS-2-StartFailed: %[Reason=String][Type=String][AppID=String][ClusterID=String] [NodeID=String]: A failure occured while starting the service. Explanation An internal failure is preventing the Cisco Push Notification Service from starting. Recommended Action Try restarting Cisco Push Notification service. If the issue persists check the application logs for the CPNS service and contact Cisco TAC for further assistance. Error Message %UC_CPNS-1-AccessTokenInvalid: %[Type=String][TrackingID=String][ReasonCode=String] [Reason=String][AppID=String][ClusterID=String][NodeID=String]: The current access token has expired and a new access token is not available. Explanation This alarm indicates that current access token is expired or has become invalid and the token refresh process has not been successful. Recommended Action Verify that the Cloud Onboarding is completed on Cloud Onboarding page. If using an HTTP Proxy verify the configuration on the Cloud Onboarding page. 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 337/343