We have deployed the new ICS 7750 for a customer in Chicago. The system was a pleasure to work with. Sentinel's experience has been with the MCS platform in the past with 21 customers, 55+ sites and over 2000 phones deployed already. The new ICS is excellent and worth looking at depending on the overall design.
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.