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Upgrade Order 9.x to 10.5

Answered Question
Nov 11th, 2014
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We're currently running the below UC applications and I'm trying to determine the best order for migration:

CUCM 9.1.2

CUC 9.1.2

CUAC Enterprise 9.1.1 

 

Does the Attendant Console have to be migrated first? Is anyone running the CUAC 9.x in a 10.x environment? If possible we would like to hold off on upgrading that component until later, but not sure if it's possible.

Correct Answer by Jaime Valencia about 2 years 9 months ago

CUC is pretty much a wildcard, you can upgrade it at anytime and still keep CUCM compatibility.

Correct Answer by Jaime Valencia about 2 years 9 months ago

Yes, no AC on 9.x is compatible with 10.x CUCM, but 10.X ACs are compatible with 9.x CUCM.

It would be AC -> CUCM -> CUC

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Correct Answer
Jaime Valencia Tue, 11/11/2014 - 10:08
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Yes, no AC on 9.x is compatible with 10.x CUCM, but 10.X ACs are compatible with 9.x CUCM.

It would be AC -> CUCM -> CUC

Jeff Venier Tue, 11/11/2014 - 10:51
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Thank you Jaime, that's what I figured, but was hoping I could do it last. Also, just to confirm, the CUCM and CUC can be done in either order, correct?

Correct Answer
Jaime Valencia Tue, 11/11/2014 - 10:52
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CUC is pretty much a wildcard, you can upgrade it at anytime and still keep CUCM compatibility.

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