upgrading firmware versions on CUCM

Answered Question
Jul 22nd, 2008

Hi all. I was wondering when you upgrade the firmware on the phones, do you have to do it to both the Pub and Sub, separately?

Correct Answer by kelvin.blair about 8 years 7 months ago

Yes. Each server has its own TFTP directory. So with that said you need to apply the device packs to both servers.

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Correct Answer
kelvin.blair Tue, 07/22/2008 - 13:23

Yes. Each server has its own TFTP directory. So with that said you need to apply the device packs to both servers.

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