[cisco-voip] update IP Phone firmware

[Reto Gassmann]

Hello Group

we plan the upgrade of our CUCM 8.0 to 9.1.2 this spring.
Now I want to test the new IP Phone firmware on a few phones. I found a
cisco document (Upgrade IP Phone Firmware Individually Doc ID: 108090) that
describes the steps.
However I have a cluster with 8 CUCM servers.
Do I have to install the IP Phone load upgrade patch file
(cmterm-7940-7960-sccp.8-1-2SR2.cop.sgn) on every server or just on the
publisher / tftp (are on the same server installed)?

Thanks for help
Regards Reto
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