Given these robust features, many organizations choose 12.5 as a final on-prem upgrade before considering a cloud migration.
CUCM 12.5 is designed to run as a Virtual Machine (VM) on VMware ESXi. You cannot install it directly on bare metal hardware efficiently. Cisco Cucm 12.5 Download
Choose the specific sub-version or service update (e.g., Release 12.5.1 SU9 ). Cisco CUCM 12
Navigate to the Cisco Unified Communications Manager 12.5 Support Page. access the GUI at https://<
After installation, access the GUI at https://<publisher-ip>/ccmadmin .
: CUCM 12.5 runs on CentOS, whereas previous versions used Red Hat Enterprise Linux.