Before downloading the ISO, ensure your system meets the minimum requirements for CUCM 12.5:
Fresh install CUCM 12.5 + OVA + Answer file. - Cisco Community cucm 12.5 bootable iso download
You will see multiple files. The is usually named like: Before downloading the ISO, ensure your system meets
: For certification studies (like CCNP Collaboration), students often use the Cisco DevNet Sandbox or purchase the Partner Demo Lab and Training Bundle (NFR). Creating a Bootable ISO from a Non-Bootable Image Before downloading the ISO
The same ISO installs Publisher, Subscriber, TFTP, and MRA nodes. You choose the role during installation.