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CUCM upgrade 7.1.3 to 9.1

Question asked by CSCO11256353 on May 18, 2013
Latest reply on May 22, 2013 by kroarty

one of our customer wants to upgdate their CUCM from 7.1.3 to 9.1.

Hardware Used : MCS 7825I4   two clustered Publisher / Subscriber  servers.


can we install the new version on these servers ??

how the license will be migrated?