/mcp20 TCPclosedUserInitiatedReset - The device closed the TCP connection due to a user initiated reset 22 TCPclosedUcmInitiatedReset - The device closed the TCP connection due to a reset command from the Cisco Unified CM 23 TCPclosedUcmInitiatedRestart - The device closed the TCP connection due to a restart command from the Cisco Unified CM 24 TCPClosedRegistrationReject - The device closed the TCP connection due to receiving a registration rejection from the Cisco Unified CM 25 RegistrationSuccessful - The device has initialized and is unaware of any previous connection to the Cisco Unified CM 26 TCPclosedVlanChange - The device closed the TCP connection due to reconfiguration of IP on a new Voice VLAN 30 TCPclosedAlarmWipe - The device closed the TCP connection due to alarm got wiped 31 TCPclosedFileAuthFail - The device closed the TCP connection due to device got locked 32 TCPclosedPowerSavePlus - The device closed the TCP connection in order to enter Power Save Plus mode 33 BatteryDrainPowerOff - Battery drain to gracefully power off 41 TCPclosedDHCPTimeout - The device closed the TCP connection due to DHCP timeout 100 ConfigVersionMismatch - The device detected a version stamp mismatch 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 333/343