User's Manual

Table of Contents
Polycom, Inc iii
Monitoring the Encryption Status .............................................................................. 3-39
Packet Loss Compensation (LPR and DBA) AVC CP Conferences .............................. 3-40
Packet Loss ....................................................................................................................3-40
Causes of Packet Loss ..........................................................................................3-41
Effects of Packet Loss on Conferences ............................................................... 3-41
Lost Packet Recovery ................................................................................................... 3-41
Lost Packet Recovery Guidelines ....................................................................... 3-41
Enabling Lost Packet Recovery ..........................................................................3-41
Monitoring Lost Packet Recovery .............................................................................. 3-42
Network Quality Indication (AVC Only) ......................................................................... 3-43
Network Quality Levels .............................................................................................. 3-44
Indication Threshold Values ............................................................................... 3-44
Guidelines ...................................................................................................................... 3-44
Customizing Network Quality Icon Display ...........................................................3-45
Lecture Mode (AVC CP Only) ............................................................................................3-46
Enabling Lecture Mode ............................................................................................... 3-46
Selecting the Conference Lecturer ...................................................................... 3-46
Enabling the Automatic Switching ....................................................................3-49
Lecture Mode Monitoring ...........................................................................................3-49
Restricting Content Broadcast to Lecturer ................................................................3-51
Muting Participants Except the Lecturer (AVC CP Only) ......................................3-52
Guidelines ..............................................................................................................3-52
Enabling the Mute Participants Except Lecturer Option ................................ 3-53
Permanent Conference ........................................................................................................ 3-54
Guidelines ...................................................................................................................... 3-54
Enabling a Permanent Conference .............................................................................3-54
Video Protocols and Resolution Configuration for CP Conferencing . . . . . 4-1
Video Resolutions in AVC-based CP Conferencing ......................................................... 4-1
Video Display with CIF, SD and HD Video Connections ................................4-1
H.264 High Profile Support in CP Conferences ......................................................... 4-2
Guidelines ................................................................................................................4-2
CP Conferencing with H.263 4CIF ...............................................................................4-2
H.263 4CIF Guidelines ........................................................................................... 4-3
The CP Resolution Decision Matrix .....................................................................................4-3
H.264 Base Profile and High Profile Comparison ..................................................... 4-4
Default Minimum Threshold Line Rates and Resource Usage Summary ............. 4-6
Resolution Configuration for CP Conferences ...................................................................4-6
Modifying the Resolution Configuration ...................................................................4-7
Resolution Configuration - Basic ..........................................................................4-7
Resolution Configuration - Detailed ....................................................................4-8
Base Profile / High Profile Resolution Slider Panes ......................................... 4-9
Flag Settings .................................................................................................................... 4-9
Setting the Maximum CP Resolution for Conferencing .................................. 4-9
Minimum Frame Rate Threshold for SD Resolution .........................................4-9
Additional Video Resolutions ............................................................................................4-10
Additional Intermediate Video Resolutions ............................................................. 4-10
Microsoft RTV Video Protocol Support in CP Conferences ........................................... 4-10