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upgrading firmware versions on CUCM

jjoseph01
Level 3
Level 3

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?

1 Accepted Solution

Accepted Solutions

kelvin.blair
Level 5
Level 5

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

View solution in original post

2 Replies 2

kelvin.blair
Level 5
Level 5

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

Thanks!

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