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CM 4.2 to CUCM 8.0 upgd

Question asked by marianofarre on Oct 7, 2010
Latest reply on Oct 9, 2010 by Srinivasan Kilambi

Hello there, I have a customer in CM 4.2 and needs to upgrade to 8.0 with server replacement as well. Can anyone please, provide the link to the latest Ordering Guide? The one I do find is for version 7.1. Also, I can´t find the upgrade path for this particulary scenary in the install/upgd guides.

On the other hand, should I worry about endpoints and CUE compatibility? I can not find if the ones he has are compatible or not with version 8 (like CP-7902, CP-7920, IPCommunicator and Unity Express 2.3) - What if we need to upgrade IPComm and IOS where the CUE is? They are not under support.

I will use the 3 & 3 program and appreciate your comments/links/advice.