I am facing a problem related to my 7900 series phones.
problelm is that we are upgrading our CUCM cluster form 8.0.3 to 9.1(2) and first step we download a firmware for 7942G series and try to install
in our lab for our call center agent phones , once we upload new firmware "9.3(1)SR4" and apply to different call center devices it successfully uploaded, but wehen we start to sue it and try to use "transfer" softkey it not working, so I will be appreciate all of you if you can help me out for 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.