Updated — Cisco Cucm 125 [portable] Download

Cisco Unified Communications Manager (CUCM) 12.5: Official Download and Upgrade Guide

1. Deploy OVA – Use Cisco’s provided OVA template for ESXi (available on the same download page under “OS/Ecosystem”).
2. Mount ISO – Attach the signed ISO as a virtual DVD drive.
3. Boot & Install – The Platform Installation Wizard will run. Provide:

   Finding and downloading CUCM 12.5

   Cisco frequently releases "Critical" rated Software Updates for CUCM 12.5 to address security vulnerabilities. cisco cucm 125 download updated

   Method B: Search by Version (Direct)