Polycom 1500 Administrator's Manual page 217

RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Administrator's Guide
The participant encryption status is also indicated in the Participant Properties – SDP tab, where SRTP
indication is listed for each encrypted channel (for example, audio and video).
An encrypted participant who is unable to join a conference is disconnected from the conference. The
disconnection cause is displayed in the Participant Properties – Connection Status dialog box, Security
Failure indication, and the Cause box identifies the encryption related situation.
For more information about monitoring, see Conference and Participant Monitoring .
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