Cisco Cucm 12.5 Download 'link' -

Locate the or MD5 checksum hash provided on the Cisco download page next to the filename.

Upgrade to an intermediate version (like 11.5), stabilize the cluster, and then upgrade to 12.5. Cisco Cucm 12.5 Download

| Milestone | Date | | :--- | :--- | | End-of-Sale (EOS) Date | August 31, 2023 | | End of SW Maintenance Releases Date | August 31, 2024 | | Last Date of Change/Renewal for Subscription | August 31, 2025 | | | August 31, 2027 | | End-of-Life (EOL) Announcement Date | March 2, 2023 | Locate the or MD5 checksum hash provided on

: After installation, check for any patches or updates that may be available for CUCM 12.5. stabilize the cluster