[cisco-voip] UCM Upgrade

[Dennis Heim]

You are looking at a 2 stage upgrade if you go to 7.1(3)x. There really are not many user changes between 6.x and 7.x

Dennis Heim
Network Voice Engineer
CDW  Advanced Technology Services
11711 N. Meridian Street, Suite 225
Carmel, IN  46032

317.569.4255 Office
317.569.4201 Fax
317.694.6070 Cell
dennis.heim at cdw.com
www.berbee.com

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jeff Mottishaw
Sent: Friday, March 19, 2010 9:53 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] UCM Upgrade

We have a Call Manager cluster (pub + sub) that is horribly out of date (6.0.1.2000-3). We have intentionally avoiding updating because our phone users are all billable resources and some do not deal with change very well. Since we have no idea how our complex config will look on the new versions we can't come up with a training manual, etc etc. We are now running into a couple bugs (Extension Mobility and Call Parking) that are fixed in newer versions.

I'm writing to ask how you all deal with testing updates. I initially looked at running a CallManager lab in VMware to give our admin staff a chance to try (manually change the TFTP server on their phones) the update before we rolled it out to the production server but the licensing limitations have temporarily killed that idea.

If we roll out the upgrade on a Friday, have our admin staff come in on Saturday to test can we safely roll back to the previous version (backup partition) on Sunday provided we don't make any changes to the configuration?

Thanks in advance for your help and feedback.

Jeff
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