Change ip on the nic. Browse to callmanager from the server itself, and go to servers, change the ip address of the appropriate server. Go to enterprise parameters and change all the ip addresses of the URLs (if you specified ip addresses there before).
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.