Used strictly for fresh installations on bare-metal or virtual environments. Note that many downloads on the portal are non-bootable by default to prevent unauthorized fresh rollouts.
Cisco CUCM 12.5 Downloads │ ├── Bootable ISO (.iso) ────────► Fresh Installations / Bare-Metal / New VMs │ └── Non-Bootable Patch (.iso/.cop) ──► Upgrades / Engineering Specials (ES) / SU Updates Bootable ISO Images
: CUCM 12.5 requires VMware ESXi 6.5 or higher. Ensure your underlying hardware is compatible. cisco cucm 125 download updated
Assign a static IP address, subnet mask, gateway, and DNS servers.
Upgrading to Cisco CUCM 12.5 offers several benefits, including: Used strictly for fresh installations on bare-metal or
If you are on 12.5(1)SU2, you cannot directly upgrade to SU9. You may need intermediate SU releases or specific COP files. Check the of the SU9 upgrade ISO.
Your (on-premise UCS servers, BE6000/BE7000, or hosted) Ensure your underlying hardware is compatible
Here are some example OVA profiles from the 12.5 virtual server template: