I have a couple of phones in my reserves at my company that won't seem to take a firmware update after being reset. They maintain their previously programmed screen and extention number but won't accept any new input even after everything has been properly set up on CUCM.
We run Cisco 7962G IP Phones and have CUCM v. 7.1.3. Could anyone out there give me some insight or a walkthrough on how to correct this issue?
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.