I have the following version of IOS,CME,CUE on my UC-520
IOS 12.4(11)XW6, RELEASE SOFTWARE (fc2)
I would like to upgrade to the newest version of Software pack 8.0.2 CCA 2.2 is installed
can I do this direct upgrade from such lower version to the latest one using CCA?
or do I need to the upgrade to the next immediate version and then to the latest version?
also Please suggest me with the proper upgrading procedure.