Does migration to CUCM 8.6 to 9.1 requires aditional Money?
You don't need to pay any money for any major CUCM upgrade as long as you have active UCSS on it. If as part of the migration to version 8.6 you purchased UCSS you are covered, otherwise you will need to pay for every major upgrade.
If you did buy UCSS then you can simply request the upgrade vie the PUT upgrade portal.
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...