[cisco-voip] CallManager Upgrade 4.2(x) -> 6.1(x) Question

[Jose Mujica]

Hi.

I have a new customer that already has CCM4.2(x) running on their network
with aprox 200 phones. Now they would like to upgrade to CCM6.1(2) but
instead of buying the upgrade they bough the whole thing.

They bought new servers [old servers are not compatible with CCM6.x] ...
CallManager license for each node and also DLUs... my question is... can we
run DMA on the old box and perform the upgrade without the customer buying
the upgrade ? I think that it can be possible since customer bought
everything "again" ... but I want to be sure.. if not then the customer
needs to cross fingers if the quantity of phones currently on CCM4.2 is more
than the new DLUs acquire.

Please advise.
-Jose
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