Have you changed it first in the User pages- Server, Call Manager Server etc. You need to change the IP address first here if you use IP addressing and not host names. Also do not forget the URL reference in CUCM for Mobility, Directories etc, DHCP Option 150 once it comes up
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...