CUCM upgrade 6.1.3 and Cluster

Discussion created by mljevakovic on Apr 11, 2011
Latest reply on Apr 10, 2012 by Srinivasan Kilambi

Our customer has CUCM v. on 7825I3 platform with 830 phone license authorized. What is the most efficient way to upgrade this version of CUCM to 8.0 version and get new CUCM apliance with same version for clustering or get new version and install on the customer server.