Cisco Unified Communications Manager (CUCM) 12.5 is a cornerstone of enterprise-grade collaboration, designed to simplify administration and reduce total cost of ownership. Whether you are performing a fresh installation or upgrading from an older version, obtaining the correct software images and understanding the new licensing requirements is critical. Key Lifecycle Dates for CUCM 12.5
These templates define the virtual hardware requirements (CPU, RAM, Disk) for your VM and are essential for a stable deployment. 2. Obtaining Bootable Media
Users with a valid service contract can navigate to the Cisco Software Downloads section.
Unified Communications > Call Control > Unified Communications Manager (CallManager) > Unified Communications Manager Version 12.5.