Need help to migrate phones from Call Manager Business Edition to Unified Call Manager Enhanced (Ver. 9)
I have a more than 100 IP phones connected and working on a Call Manager Business Edition. However these phones need to be migrated to another Server running Unified Call Manager Enhanced version 9. A simple migration from one machine to the other wouldn't work because of the different Call Manager editions. My distributor can provide me upgrade licenses to transfer the phones to the new machine.
My problem is that I cannot find a procedure how to apply these upgrade licenses. Do I have to extract the old licenses from the CM Business Edition and install them on the UCM Enhanced first although they are not compatible? Maybe someone knows a procedure that explains the way to do it.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...