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Modify the DSCP value of IP packets for Interaction Media Server

You can change the Differentiated Service Code Point (DSCP) value of an IP packet containing RTP data, which alters the QoS priority of that packet.

Note: If Interaction Media Server detects different DSCP values between received and transmitted RTP packets, it writes a warning in the Event Log of the host Windows server. This feature is available only if Interaction Media Server uses the PureConnect QoS driver, which is installed by default. This feature is not available with Windows Policy-based QoS.

To change the DSCP value of an IP packet for Interaction Media Server:

  1. On a personal computer or the Interaction Media Server itself, open a web browser and navigate to the URL address and port number of the Interaction Media Server web interface. See the following example for the format of specifying this URL address:

    http://mediaserver1:8084/

    Note: Packaged Interaction Media Servers use HTTP port 8083. Software-only installations of Interaction Media Server default to HTTP port 8084.

  2. Log on to the Interaction Media Server configuration webpage with the administrative user ID and password. The Status-About page appears.

  3. In the upper right corner, click the Config icon. The Config-Servers page appears.

  4. On the left side of the page, click the Properties tab. The Properties page appears.

  5. In the list on the right side of the page, locate the RtpQosDscpValue property.

  6. In the associated list box, click the DSCP value to use for marking IP packets that contain RTP data. The default value for this property is 2E (46, 101110) EF.

    Caution!

    Changing this value can cause audio quality problems. Genesys does not recommend changing this value unless you are certain of the QoS configuration changes that you want to make in your network.

  7. At the bottom of the page, click Apply Changes.

Note: You can also change which Interaction Media Server communications use QoS. For more information about the NotifierQosTaggingEnabled, RtpQosTaggingEnabled and UdptlQosTaggingEnabled properties, see Interaction Media Server Config-Properties page.