For software-only licenses or upgrades, the primary official channel is the licensing portal. Historically, this was the Product Upgrade Tool (PUT) . However, this tool has since been replaced by a new platform known as My Cisco Entitlements (MCE) . It is within the MCE portal that a valid license holder can request and download the specific, bootable ISO for their entitled software version. This is the correct and recommended method for anyone with a valid service contract to obtain the software.
To help tailor any further technical steps or configuration details, let me know: Do you need to build a or a Subscriber node? cucm 12.5 bootable iso download
Using a modified "bootable-hacked" ISO in a production environment is unsupported by Cisco TAC and can lead to stability issues. Support Status Make a Bootable Cisco CUCM image from a non-bootable ISO For software-only licenses or upgrades, the primary official
Finding a bootable ISO for Cisco Unified Communications Manager (CUCM) 12.5 It is within the MCE portal that a