Cisco Unified Communications Manager (CUCM) 12.5 is a popular call processing and unified communications solution. To download CUCM 12.5, you'll need to have a valid Cisco account and follow these steps:
To access the Cisco CUCM 12.5 software, you must have the following: Cisco Cucm 12.5 Download
If you see "Evaluation period expired" or "License Reservation failed," your contract does not cover CUCM 12.5 specifically. You must purchase an upgrade or trade-in license. Cisco Unified Communications Manager (CUCM) 12