/mcpdirectory number associated with the device. No action is necessary; the device will re- register automatically. 16 DuplicateRegistration - Unified CM detected that the device attempted to register to two nodes at the same time. Unified CM initiated a restart to the phone to force it to re- home to a single node. No action is necessary; the device will re-register automatically. 17 CallManagerApplyConfig - An ApplyConfig action was performed in Unified CM Administration resulting in an unregistration. No action is necessary; the device will re- register automatically. 18 DeviceNoResponse - The device did not respond to a reset or restart notification, so it is being forcefully reset. If the device does not re-register within 5 minutes, confirm that it is powered up and confirm that there is network connectivity between the device and Unified CM. 19 EMLoginLogout - The device has been unregistered due to an Extension Mobility login or logout 20 EMCCLoginLogout - The device has been unregistered due to an Extension Mobility Cross Cluster login or logout 25 RegistrationSequenceError - (SCCP only) A device requested configuration information from Unified CM at 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 204/343