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Polycom RealPresence® Collaboration Server (RMX) 1500, 2000, 4000 Administrator’s Guide
iv Polycom, Inc
Guidelines ......................................................................................................................4-33
Enabling Auto Scan and Customized Polling ..........................................................4-33
Auto Scan ...............................................................................................................4-33
Customized Polling ..............................................................................................4-34
Audio Algorithm Support ...................................................................................................4-35
Guidelines ......................................................................................................................4-36
SIP Encryption .......................................................................................................4-36
Mono .......................................................................................................................4-36
Stereo ......................................................................................................................4-37
Audio algorithms supported for ISDN ......................................................................4-38
Monitoring Participant Audio Properties .................................................................4-39
Media Encryption (AVC Only) ...........................................................................................4-40
Media Encryption Guidelines .....................................................................................4-40
Mixing Encrypted and Non-encrypted Endpoints in one Conference .........4-41
Direct Connection to the Conference .................................................................4-42
Connection to the Entry Queue ..........................................................................4-43
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 ..............................................................................4-49
Packet Loss Compensation (LPR and DBA) .....................................................................4-50
Packet Loss .....................................................................................................................4-50
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 Only) ..........................................................................4-52
Guidelines ......................................................................................................................4-53
Network Quality ...........................................................................................................4-53
Indication Threshold Values ...............................................................................4-53
Customizing Network Quality Indicator Display ...................................................4-54
Telepresence Mode (AVC Only) .........................................................................................4-55
RMX Telepresence Mode Guidelines .........................................................................4-56
System Level ..........................................................................................................4-56
Conference Level ...................................................................................................4-56
Room (Participant/Endpoint) Level ..................................................................4-56
Automatic Detection of Immersive Telepresence (ITP) Sites .........................4-56
Horizontal Striping ...............................................................................................4-57
Cropping ................................................................................................................4-57
Video Fade in Telepresence conferences ...........................................................4-57
Gathering Phase with ITP Room Systems .........................................................4-58
Aspect ratio for standard endpoints ..................................................................4-58
Skins and Frames ..................................................................................................4-58