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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 |
Setting DSCP QoS for Wildix devices
To set DSCP (Differentiated Services Code Point) QoS (Quality of Service) for all the Wildix devices (WP4X0 series phones, media gateways):
- Set DSCP value at af41 or higher in WMS Settings -> PBX -> SIP-RTP
- Configure all the routers / firewalls to prioritize such traffic
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- 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
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For Vision phones series, Collaboration on Android
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for WiFi and WP600AXX series phones: DSCP value set on SIP-RTP page in WMS is applied.
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Note: iOS currently does not support setting QoS via DSCP. |
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Occasionally Note: occasionally routers / firewalls / operators can block traffic with DSCP settings different from 0 (prioritized traffic could be dropped), in such case:
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Setting QoS Policy for Windows
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QoS traffic management occurs below the application layer, which means that your existing applications do not need to be modified to benefit from the advantages that are provided by QoS policies.
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Prerequisites for QoS Policy on Windows
It is possible to use QoS policy to manage bandwidth for computers or users with the following Microsoft OS supported by Wildix Collaboration:
- Windows Server 2016
- Windows 10
- Windows Server 2012 R2
- Windows 8.1
- Windows Server 2012
- Windows 8
- Windows 7
As stated in the previous chapter, it is possible to apply QoS for WebRTC Phone only, which means you should use Chrome browser.
Set Direct RTP for Windows:
- Install Integration Service in Collaboration Settings -> Extensions
- Enable Direct RTP in Collaboration Settings -> Web Phone
Location of QoS Policy in Group Policy
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In Group Policy Management, locate the container where the new policy should be created. For example, if all your client computers are located in an OU named Clients then the new policy should be created in the Client OU.
Right-click the appropriate container and then click Create a GPO in this domain, and Link it here.
In the New GPO dialog box, type a name for the new Group Policy object in the Name box and then click OK.
Right-click the newly-created policy and then click Edit.
In the Group Policy Management Editor, expand Computer Configuration, expand Policies, expand Windows Settings, right-click Policy-based QoS, and then click Create new policy.
In the Policy-based QoS dialog box, on the opening page, type a name for the new policy in the Name box. Select Specify DSCP Value and set the value to 46. Leave Specify Outbound Throttle Rate unselected, and then click Next.
On the next page, make sure that All applications is selected and then click Next. This setting instructs the network to look for all packets with a DSCP marking of 46, not just packets created by a specific application.
On the third page, make sure that both Any source IP address and Any destination IP address are selected and then click Next. These two settings ensure that packets will be managed regardless of which computer (IP address) sent those packets and which computer (IP address) will receive those packets.
On page four, select TCP and UDP from the Select the protocol this QoS policy applies to dropdown list. TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) are the two networking protocols most-commonly used by Lync Server and its client applications.
Under the heading Specify the source port number, select From this source port or range. In the accompanying text box, type the port range reserved for audio transmissions. For example, if you reserved ports 50020 through ports 50039 for audio traffic enter the port range using this format: 5002010000:5003912000. Click Finish.
After you have created the QoS policy for audio you can then create a second policy for video. To create a policy for video, follow the same basic procedure you followed when creating the audio policy, making these substitutions:
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