Polycom RealPresence 800s Administrator's Manual page 123

RealPresence Collaboration Server (RMX) 800s/Virtual Edition Administrator's Guide
 If the Content was defined as High Profile, endpoints which support only Base Profile Content will
not be able to receive Content using the Content channel. If the Send Content to Legacy
Endpoints option is selected they can receive Content shared using the video channel.
Polycom®, Inc. 137