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Dell ThinOS 9.1.4097, 9.1.4234, 9.1.5067, and 9.1.6108 Administrator’s Guide

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Microsoft Teams Optimization from Citrix Workspace app

ThinOS supports audio optimization for Microsoft Teams using Citrix Workspace app 2101.

ThinOS supports HTTP Proxy for anonymous authentication. Configure HTTP Proxy server as MTOP to make the Microsoft Teams Optimization function for Citrix work through the proxy server.

To enable the Teams optimization feature for Citrix, you must meet the following requirements:

  • Install the Microsoft Teams on your VDI desktop. For more information about the Microsoft Teams installation, see the Optimization for Microsoft Teams article at docs.citrix.com.
  • Review the system requirements of Citrix Virtual Desktops and VDA. For more information about the system requirements, see the Optimization for Microsoft Teams article at docs.citrix.com.
  • Enable the Microsoft Teams redirection policy is enabled in Citrix Studio. For more information about how to enable the Microsoft Teams redirection, see the Multimedia policy settings article at docs.citrix.com.

On the ThinOS client side, you must download the Citrix package from Dell.com/support and install the package using Admin Policy Tool or Wyse Management Suite. For information about how to install the ThinOS application packages, see the Upload and install ThinOS 9.x application packages using Admin Policy Tool or Upload and install ThinOS 9.x application packages using Wyse Management Suite.

To verify if the Microsoft Teams application works in the optimized mode, click About > Version to view the Citrix HDX Optimized legend. For more information about how to verify the Microsoft Teams audio optimization, see the Optimization for Microsoft Teams article at docs.citrix.com.

Table 1. Microsoft Teams optimization feature matrixMicrosoft Teams optimization feature matrix
Scenario ThinOS
Long meetings Supported
Call—Make an audio call Supported
Call—Answer an audio call Supported
Call—Make a video call Supported
Call—Answer a video call Supported
Call—Turn the camera on or off Supported
Call—Enter or exit full screen Supported
Call—Hold or resume a call Supported
Call—End call Supported
Call—Mute or unmute audio Supported
Call—Transfer Supported
Call—Consult then transfer Supported
Call—Keypad Not supported
Call—Start or stop recording Supported
Call—Turn off or turn on incoming video Supported
Call—Group video call Supported
Call—Group audio call Supported
Call—Invite someone during a call Supported
Meeting Supported
Share screen—Desktop Supported
Share screen—PowerPoint Supported
Chat Supported
Audio or video call in VDI server desktop Supported
Audio or video call in published Microsoft Teams application Supported
Devices—Plug in or disconnect the headset Limited support—Do not hot plug headset or the camera during a meeting, or a call. Do not switch the camera during a meeting. It causes the audio and video reception to be inconsistent. Restart Microsoft Teams to resolve this issue. This is also Citrix binary issue.
Devices—Switch headset Limited support—If you install JVDI package in ThinOS, the switched headset does not work. Dell Technologies recommends to not install JVDI package if you are using Microsoft Teams.
Devices—Plug in or disconnect the camera Limited support—Do not hot plug headset or the camera during a meeting, or a call. Do not switch the camera during a meeting. It causes the audio and video reception to be inconsistent. Restart Microsoft Teams to resolve this issue. This is also Citrix binary issue.
Devices—Switch camera Not supported—This is a known Citrix issue.
Headset buttons—Answer/Mute/End Call Limited support—The Answer/End call button is not supported. This is a Citrix Workspace app limitation.

Limitations

  • Video call and share screen features are not supported on Wyse 3040 Thin Clients due to client resource limitations.
  • Video call and share screen features are recommended on Wyse 5070 Thin Clients, 5470 Thin Clients, and Wyse 5470 All-in-One Thin Clients with known issues.
    • The audio gets distorted occasionally on a thin client with dual core CPU.
  • Other known issues for CWA Teams Optimization
    • Depending on your network bandwidth latency, the audio quality may fluctuate. To avoid this issue, ensure that your network bandwidth is adequate for audio or video call. Citrix recommends 200 kbps or higher network speed for a single client.
    • Session termination or abrupt disconnect may result in unexpected HdxRtcEngine.exe processing exits. This issue is a known Citrix Workspace App limitation [RFLNX-5885].
    • Audio is still played through the first headset when you switch to the second headset during the call. This issue is observed when you have installed the JVDI package on the thin client. Workaround is that if you are using Microsoft Teams (or Zoom), do not install the Cisco JVDI package. This issue is due to Cisco limitation.
    • When using a headset, you cannot answer or end the call through headset buttons. This issue is due to a limitation of Microsoft Teams.

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