Yes, this is a minor upgrade no COP files required for this to work. Just simple OS admin procedure like installing firmware. Make sure if you have multiple CUCM server in cluster you follow below to minimize downtime.
1) Make sure at all time you have DRS backup.
2) Run the upgrade and dont do switch version, till the time all server are upgraded.
3) Always start with PUB and you can choose any order with SUB
4) Once all server are upgraded start doing switch-version from PUB first any order in SUB would be fine.
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...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...
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