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RMX 2000 Administrator's Guide - Polycom Support

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Enabling HD Video Switching<br />

<strong>Polycom</strong> <strong>RMX</strong> <strong>2000</strong>/4000 Administrator’s <strong>Guide</strong><br />

For the MCU to run HD Video Switching conferences the following<br />

criteria must be met:<br />

• The HD_THRESHOLD_BITRATE flag must be set in the System<br />

Configuration. The value of this flag is the system minimum threshold<br />

bit rate.<br />

The HD_THRESHOLD_BIT RATE flag is responsible for negotiation only,<br />

It does not guarantee that the endpoint will open an HD channel or transmit on<br />

an opened HD channel.<br />

• The line rate selected in the conference Profile must be the same as or<br />

higher than that specified by the HD_THRESHOLD_BITRATE flag.<br />

• The High Definition Video Switching option must be selected in the<br />

profile. For more information see "Defining Profiles” on page 1-8.<br />

• The <strong>RMX</strong> must have available resources (ports).<br />

• The endpoints must support HD.<br />

Modifying the HD Video Switching Threshold Bit Rate<br />

To Modify the HD Video Switching Threshold:<br />

1 Click Setup>System Configuration.<br />

The System Flags dialog box opens.<br />

2 Set the HD_THRESHOLD_BITRATE flag to the required line rate<br />

value (range 384kbps to 4Mbs, default is 768 Kbps).<br />

3 Click OK.<br />

The MCU must be reset the MCU for flag changes to take effect.<br />

For more information see "System Configuration” on page 16-19.<br />

Creating a High Definition Video Switching Profile<br />

An HD Video Switching enabled Profile must be created prior to running<br />

HD Video Switching conferences.<br />

High Definition Video Switching conferences, Entry Queues and Meeting<br />

Rooms are created by selecting an HD Video Switching-enabled Profile<br />

and must be set to the same line rate as the target conference.<br />

To connect to an HD Video Switching conference via an Entry Queue, the<br />

Entry Queue must be HD Video Switching enabled. It is recommended to<br />

use the same Profile for both the target conference and Entry Queue.<br />

2-9

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