We had the same need at Duke University but on a bit of a larger scale (140 students). We partnered with a Cisco certified integration company and Cisco to develop a customized installation of a CTS3210 that allowed seating for up to 140 participants. We added three additional HD PTZ cameras to the CTS three camera cluster and 70 microphones and retrofitted an existing lecture hall in our business school to allow for full participation by all attendees. You can see a video of the launch at the link below:
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.