User's Manual
RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide 
iv Polycom, Inc
Auto Scan and Customized Polling in Video Layout (CP Only) ...................................4-38
Guidelines ......................................................................................................................4-38
Enabling Auto Scan and Customized Polling (CP Only) ........................................4-38
Auto Scan  ...............................................................................................................4-38
Customized Polling  ..............................................................................................4-39
Media Encryption  .................................................................................................................4-41
Media Encryption Guidelines .....................................................................................4-41
Mixing Encrypted and Non-encrypted Endpoints in one Conference  .........4-42
Direct Connection to the Conference  .................................................................4-43
Connection to the Entry Queue  ..........................................................................4-44
Moving from the Entry Queue to Conferences or Between Conferences .....4-44
Recording Link Encryption  .................................................................................4-45
Encryption Flag Settings ..............................................................................................4-46
Enabling Encryption in the Profile .............................................................................4-47
Enabling Encryption at the Participant Level ...........................................................4-47
Monitoring the Encryption Status ..............................................................................4-48
Packet Loss Compensation (LPR and DBA) AVC CP Conferences  ..............................4-49
Packet Loss .....................................................................................................................4-49
Causes of Packet Loss ...........................................................................................4-50
Effects of Packet Loss on Conferences  ...............................................................4-50
Lost Packet Recovery ....................................................................................................4-50
Lost Packet Recovery Guidelines  .......................................................................4-50
Enabling Lost Packet Recovery ...........................................................................4-51
Monitoring Lost Packet Recovery  ..............................................................................4-51
Network Quality Indication (AVC Endpoints)  ................................................................4-53
Network Quality Levels ...............................................................................................4-53
Indication Threshold Values  ...............................................................................4-54
Guidelines ......................................................................................................................4-54
Customizing Network Quality Icon Display ............................................................4-54
Telepresence Mode (AVC CP)  ............................................................................................4-56
Collaboration Server Telepresence Mode Guidelines  .............................................4-56
System Level ..........................................................................................................4-56
Conference Level ...................................................................................................4-56
Room (Participant/Endpoint) Level ..................................................................4-57
Automatic Detection of Immersive Telepresence (ITP) Sites  .........................4-57
Horizontal Striping ...............................................................................................4-58
Cropping ................................................................................................................4-58
Gathering Phase with ITP Room Systems .........................................................4-58
Aspect ratio for standard endpoints  ..................................................................4-58
Skins and Frames  ..................................................................................................4-58
RPX and TPX Video Layouts ......................................................................................4-59
Enabling Telepresence Mode  ......................................................................................4-61
Conference Level ...................................................................................................4-61
Sending Content to Legacy Endpoints in Telepresence Conferences ...................4-62
Guidelines for Sending Content to Legacy Endpoints in Telepresence 
Conferences ............................................................................................................4-62










