cucm upgrade

Zero Downtime Upgrades – An upgrade approach to avoid late nights

4 Comments / Collaboration / By Andres Sarmiento

Let’s see, it has been a while since the last time you heard from me, but this time I will spare you the excuse! What is a Zero Downtime Upgrade? This is an upgrade where no matter from which version of VOS (CUCM, UNITY, and UCCX) you are coming from can be done with very […]

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CUCM upgrade from 9.x to 11.x – Short post

4 Comments / Collaboration / By Andres Sarmiento

Finishing an upgrade project after being a while since doing one, I wanted to take the time to share the experience and how easy has Cisco made it into upgrading their software. It may look a bit disorganized, but you will find few things that I used to refresh my memory on the process, but

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