"Your browser is not supported" message when connecting to webex from Microsoft Teams Room device

Steve Caparco 5 Reputation points
2025-06-05T18:58:41.15+00:00

When i add my MTR to a webex invite, it appears on my pad, but when I join, the display says "Your Browser is not supported." This appears to be a new issue that we have not experienced before and all of our devices are setup to join webex. Is there a fix or a workaround?

Microsoft Teams | Development
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  1. Teddie-D 1,105 Reputation points Microsoft External Staff Moderator
    2025-06-06T04:46:18.2066667+00:00

    Hi @Steve Caparco

    Thank you for posting your question in the Microsoft Q&A forum. 

    Based on Microsoft document, to join a Cisco Webex meeting from a Teams Rooms device using Direct Guest Join, the Cisco meeting needs to be hosted in Webex Meetings Pro using Cisco Webex web application version WBS 40.7 or later. Therefore, please ensure you meet their requirement.  For more information, you can refer to Third-party meetings on Teams Rooms - Microsoft Teams | Microsoft Learn 

    Based on my research, it looks like Webex and the browser on MTR devices aren't working well together.  
    Webex may have updated its browser requirements, you may check their list of known issues and workarounds, as a moderator, we do not have enough tools or resources in my environment to diagnose your issue. For further assistance, I suggest you should contact directly Webex Help Center. 

    User's image

    You also may check whether MTR devices need additional configuration. 

    Some MTR devices may require additional configuration to properly join third-party meetings like Webex. You can review the Cisco guide on Configure MTR Device to Join Third Party Meetings - Cisco 

    Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make sure that you completely understand the risk before retrieving any suggestions from the above link 

    Thank you for your understanding. Have a nice day! 


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