Table of Contents
Polycom, Inc iii
Enabling Auto Scan and Customized Polling .........................................................4-25
Auto Scan ...............................................................................................................4-25
Customized Polling ..............................................................................................4-25
Media Encryption .................................................................................................................4-27
Media Encryption Guidelines .....................................................................................4-27
Mixing Encrypted and Non-encrypted Endpoints in one Conference .........4-28
Direct Connection to the Conference .................................................................4-29
Connection to the Entry Queue ..........................................................................4-30
Moving from the Entry Queue to Conferences or Between Conferences .... 4-30
Recording Link Encryption .................................................................................4-31
Encryption Flag Settings ..............................................................................................4-31
Enabling Encryption in the Profile .............................................................................4-32
Enabling Encryption at the Participant Level ..........................................................4-33
Monitoring the Encryption Status ..............................................................................4-34
Packet Loss Compensation (LPR and DBA) ....................................................................4-35
Packet Loss ....................................................................................................................4-35
Causes of Packet Loss ..........................................................................................4-35
Effects of Packet Loss on Conferences ...............................................................4-35
Lost Packet Recovery ...................................................................................................4-35
Lost Packet Recovery Guidelines .......................................................................4-35
Enabling Lost Packet Recovery ..........................................................................4-36
Monitoring Lost Packet Recovery ..............................................................................4-36
Lecture Mode ........................................................................................................................4-38
Enabling Lecture Mode ...............................................................................................4-38
Selecting the Conference Lecturer ......................................................................4-38
Enabling the Automatic Switching ....................................................................4-40
Lecture Mode Monitoring ...........................................................................................4-40
Restricting Content Broadcast to Lecturer ................................................................4-42
Muting Participants Except the Lecturer .................................................................4-43
Guidelines ..............................................................................................................4-43
Enabling the Mute Participants Except Lecturer Option ................................4-44
Audio Algorithm Support ...................................................................................................4-45
Guidelines ......................................................................................................................4-45
SIP Encryption ......................................................................................................4-45
Mono .......................................................................................................................4-45
Stereo ......................................................................................................................4-46
Monitoring Participant Audio Properties .................................................................4-46
Permanent Conference ........................................................................................................4-48
Guidelines ......................................................................................................................4-48
Enabling a Permanent Conference .............................................................................4-48
Cascading Conferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Video Layout in Cascading conferences ....................................................................5-1
Guidelines ................................................................................................................5-2
Flags Controlling Cascade Layouts .....................................................................5-2
DTMF Forwarding .................................................................................................5-3
Play Tone Upon Cascading Link Connection ....................................................5-3