Sometimes the username on the telephone using Extension Mobility is blank. The telephone is used by one person all the time with Extension Mobility configured. We didn't restart the phone or the CallManager . Can someone help me how to slove this issue? Thanks
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.