Administrators should log in to the Software Center and download CUCM 12.5(1)SU8 (or the latest available SU) to ensure the system is protected against the latest security vulnerabilities. If performing a new install, use the latest available Bootable ISO to minimize post-installation patching time.
Cisco Unified Communications Manager (CUCM) 12.5 is a unified communications call-processing component that delivers enterprise-class IP telephony, video, messaging and mobility services. This guide covers how to find, download, and apply updates for CUCM 12.5, plus best practices and important considerations. cisco cucm 125 download updated
A valid Cisco Connection Online account linked to your contracts. Hardware Compatibility: Administrators should log in to the Software Center
Downloading CUCM from unofficial sources violates Cisco licensing and can introduce malware. These images are over 8 GB and unsigned copies may corrupt your installation. This guide covers how to find, download, and