/mcpphone unless the restart occurs automatically. 19 Connection to the Load server or TFTP server has timed out - The phone attempted to connect to the Load server or TFTP server but could not connect successfully. If you are using the TFTP server to serve firmware loads, check the TFTP server IP address as configured in the settings on the phone; make sure the IP address is accurate. If it is not, correct the IP address and press Apply; the phone should restart automatically. If you are using a Load server to serve firmware loads, check the IP address or hostname on the Phone Configuration page in Cisco Unified CM Administration for the phone identified in this alarm, to ensure that the information is accurate. If it is not, update the IP address or hostname and restart the phone. Also, verify that network connectivity exists between the phone and the Load server or TFTP server. Restart the phone to attempt connection again unless the restart occurs automatically. 20 Download was cancelled - A previous download request was superceded by a new download request. The original download was cancelled so that the new download could continue. No action is required. 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 315/343