Monday, May 18, 2015

Cisco CUCM: Upgrading The Phone System

Cisco has made it pretty easy to do upgrades.  In this example, I'm doing a minor upgrade from 8.5 to 8.5.1-17900, so that I can do a restore from the production backup I took.  You have to go into OS Administration, then choose software install/upgrades.  Its pretty easy from there.  You just get your SFTP server going, put the ISO file in the correct directory, and do the upgrade.

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