[cisco-voip] CM 4.x to CUCM 7.x Upgrade

[Syed Ahmed]

We are planning to do ours in a couple of weeks. I will keep you posted. 

From: svr.file at gmail.com
Date: Sun, 11 Oct 2009 21:38:19 +1100
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] CM 4.x to CUCM 7.x Upgrade

Hi All,

I am going to complete an upgrade from CM 4.x to CUCM 7.x and wanted to confirm somethings.

Pre-upgrade tasks:
1. Baseline the system with RTMT, record the number of registered phones and gateways


2. Download phone firmware for CUCM 7.x
3. Copy firmware files to the remote gateways and configure TFTP for those files
4. Change option 150 to the remote gateways for each site one at a time and reset phones - phones download the new firmware


5. Change option 150 to CM 4.x - phone register to CM 4.x again

Once the phones have downloaded the new firmware files for CUCM 7.x (7.1.2), will they still register to the CM 4.x server as normal - is this supported?



Upgrade tasks:
1. Backup the BARS
2. Install and run the Upgrade Utility all both PUB and SUB
3. Install and run the DMA on the PUB
4. Install CUCM 7.x
5. During the installation process of CUCM 7.x, provide the DMA file


6. After installation, request license file from Cisco
7. Upload the license file.

Post-upgrade tasks:
1. Baseline the system with RTMT, complete registered phones and gateways
2. Monitor servers



Can someone comment to their experience of upgrading CM 4.x to CUCM 7.x?

Thanks
 		 	   		  
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