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RMX 2000 Administrator's Guide Version 7.6.1 - Polycom

RMX 2000 Administrator's Guide Version 7.6.1 - Polycom

RMX 2000 Administrator's Guide Version 7.6.1 - Polycom

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3 Click OK.<br />

SIP Dial-in Busy Notification<br />

Chapter 20-<strong>RMX</strong> Administration and Utilities<br />

When the system flag SEND_SIP_BUSY_UPON_RESOURCE_THRESHOLD is set to YES<br />

(NO is the default), it enables the <strong>RMX</strong> to send a busy notification to a SIP audio endpoint or<br />

a SIP device when dialing in to the <strong>RMX</strong> whose audio resource usage exceeded the Port<br />

Usage threshold.<br />

The <strong>RMX</strong> will send a SIP busy response to SIP audio endpoints when:<br />

• The system flag SEND_SIP_BUSY_UPON_RESOURCE_THRESHOLD is set to YES<br />

(NO is the default)<br />

• The port usage threshold for Audio resources is exceeded. The threshold is defined in<br />

the Setup > Port Gauge dialog box.<br />

When the flag is set to YES, the system will allow SIP audio endpoints to connect to the<br />

MCU until the Port Usage threshold is reached. Once this threshold is exceeded, the SIP<br />

audio endpoints will not be able to connect, ensuring that the remaining system resources<br />

can be used by all other connections, including SIP video, H.323 cascaded links and ISDN<br />

video. When the call is rejected by the MCU because of lack of resources, the appropriate<br />

indication will be sent by the MCU to the SIP audio endpoint.<br />

For example, if the Port Gauge threshold is set to 80%, when 80% of the Audio resources are<br />

used, the system will not allow additional SIP audio endpoints to connect and will send a<br />

busy notification to the endpoint.<br />

This does not affect the video resources usage.<br />

<strong>Polycom</strong>, Inc. 20-21

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