Microphone doesn't work when I'm connected via docking station

Borys Sidoruk 1 Reputation point

I'm using Microsoft Teams on Linux with dell latitude 5400 and docking station WD19. Microphone not working when I'm connected headset to docking station.
Docking station is connected via usb-c.
Do you know this issue? Or you have any similar?

Distribution: Ubuntu 18.04.3 LTS
Architecture: amd64
Running kernel: 4.15.0-88-generic
Kernel version:

Skype for Business Linux
Skype for Business Linux
Skype for Business: A Microsoft communications service that provides communications capabilities across presence, instant messaging, audio/video calling, and an online meeting experience that includes audio, video, and web conferencing.Linux: A family of open-source Unix-like operating systems.
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  1. Ronen Ariely 15,106 Reputation points

    Note! I write this as an answer, even so it should be a comment, since it include following question to check and answer. The issue is that the forum limit the comments to 1000 char and I am getting an error.

    Note: I assume that the hardware (the Microphone on the headset and the physical connection on the docking station) works fine - This might be the issue obviously, but it is rare.

    >> Are the speakers on the headset works well?

    >> Is the Microphone works in other applications?

    This is important question as it will guide us know if (1) the issue related to configuration of the Microphone in general, or (2) related to the configuration of the Teams Application

    In the first case, use ALSA (Advanced Linux Sound Architecture) in order to check the configuration of the Microphone. Make sure that you see the right Microphone and it is selected.

    Note: You might need to configure /etc/modprobe.d/options.conf and disable some options which are blocking the Docking station from being found. It is a good idea to ask this question in Ubuntu forums as well since in this case it is not related to Teams

    In the second option if the issue is only with Teams (I did not tried using Teams on Ubuntu since all my Ubuntu are VM at this time), you might succeed to make it work by first use ALSA to configure the Microphone BEFORE opening the Teams and only then start the Teams app.

    1 person found this answer helpful.
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  2. Crews, Cameron 6 Reputation points

    I was having the same issue and just figured this out. Do the following in Teams Settings.

    Change the first drop down box from Custom Set Up to PC Mic and Speakers.
    I also changed the microphone to microphone array but i don't believe did anything.

    This should fix your problem.

    1 person found this answer helpful.

  3. JimmyYang-MSFT 50,446 Reputation points Microsoft Vendor

    Hi Borys!
    I also agree with pituach!
    Please make sure if your Microphone can work well in other applications.
    You can refer to the following link to learn how to use ALSA to test your microphone.

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  4. Borys Sidoruk 1 Reputation point

    Hi, This setup working really good for us with Slack and other stuff. I'll ask to make tests and provide some files for you.

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  5. Borys Sidoruk 1 Reputation point

    This problem is only with Microsoft Teams app, its system we choose correct Microphone. When I start the call audio from my mic is gone. When I'm using slack working good without any problems.