Field Name Description
Public IP Address Firewall public IP address. The field is enabled if NAT Traversal is
set to Yes.
Refresh Time (sec) Sets the opening time, in seconds of the pinhole inside the firewall.
Also used by H.460 as TTL (Time To Live) of registration requests.
Important:
Set the ports in accordance with the settings detailed in
Configuring the TCP or UDP Port
Range on the Scopia XT Server for IP Office on page 21.
3. From the web interface only, select Save.
Determining the Priority of Audio versus Video Quality
About this task
Quality of Service determines how your network handles IP packets sent to your system during a video
conference. For example, you can set a higher priority to audio packets, so that when there is an issue
with packet loss, audio quality is maintained over video.
Bandwidth and video quality settings also contribute to call quality. If you experience problems with call
quality, refer to the Troubleshooting the Scopia XT Server for IP Office on page 100.
Before you begin
Consult with your network administrator for more information about configuring Quality of Service.
Important:
For detailed information on QoS based on TOS, refer to RFC-1439.
If configuring from the endpoint, you must first enable advanced configuration, as described in
Maintaining the XT Server Locally from the Endpoint on page 45.
Procedure
1. Access the network settings as follows:
•
From the XT Server web interface, select Administrator Settings > Networks >
Preferences > QoS.
•
From the endpoint's main menu, select Configure > Advanced > Networks >
Preferences > QoS.
Installation Guide for Scopia XT5000 Server for IP Office Version 3.2 Initial Configuration | 83
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