Polycom RealPresence Group Series Reference Manual page 411

Room Design and Layout
It is strongly advised that at least 20 percent of the time spent developing a videoconferencing room be
devoted to this important sub-system, as it will complete the integration of the conference and presentation
environment.
And remember that simpler is always better. People do not pay for technology. They pay for the benefits that
technology can bring. The doorway to those benefits is a simple, straightforward and intuitive user control.
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