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Table of Contents

Info

This document explains how to set DSCP to ensure QoS on Wildix devices and Web Phone

Created: June 2018

Permalink: https://confluence.wildix.com/x/vQGIAQ

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Setting DSCP QoS for Wildix devices

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To set DSCP (Differentiated Services Code Point) QoS (Quality of Service) for all the Wildix devices:

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Starting from WMS 3.86 t is possible to enable / disable DSCP QoS for WebRTC phone (Collaboration on Chrome) and ubiconf conference in Collaboration Settings -> Web Phone -> DSCP QoS:

  • Default: If DSCP value is set to af41 or higher in WMS Settings -> PBX -> SIP-RTP, then DSCP is enabled by default
  • On / Off: Force DSCP on or off, independently from the settings on SIP-RTP page

Note

For Vision phones series, Collaboration on Android and WP600AXX series phones: DSCP value set set on SIP-RTP page in WMS is applied. Note: some DSCP values can cause problems in specific networks (prioritized traffic could be dropped), in this case you can disable DSCP in the Advanced settings of the application.

iOS currently does not support setting QoS via DSCP.


Note

Occasionally routers / firewalls / operators can block traffic with DSCP settings different from 0, in such case:

  • Administrator must disable globally DSCP QoS in WMS Settings -> PBX -> SIP-RTP
  • User can disable QoS separately for WebRTC Phone (Web Phone on Chrome) in Collaboration Settings -> Web Phone


Setting QoS Policy for Windows

You can use QoS Policy as a central point of network bandwidth management across your entire Active Directory infrastructure by creating QoS profiles, whose settings are distributed with Group Policy. 

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  • Use a different (and unique) policy name

  • Set the DSCP value to 34 instead of 46 (this is just an example, you can set a different DSCP value, but it must be different than the one used for audio)Use the previously configured port range for video traffic. For example, if you have reserved ports 58000 through 58019 for video, then set the port range to this: 58000:58019.

The new policies you have created will not take effect until Group Policy has been refreshed on your client computers. Although Group Policy periodically refreshes on its own, you can force an immediate refresh by running the following command on each computer where Group Policy needs to be refreshed:

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