Webinar call quality very bad on websdk but fine on desktop app

On one of our webinars the users are having lots of issues of audio and video quality when joining via the websdk. Some panelists are being kicked out and then can’t rejoin with a message as described here:

When using the desktop app everything seems fine. We did a test today with 4 people two in Southeast Asia and 2 in Europe. Everyone was having a hard time with even just sound. We switched to desktop app to test and everything was fine. One of the users regularly uses zoom via the websdk and has no issues.

Browser Console Error

Which Web Meeting SDK version?

Meeting SDK Code Snippets

Device (please complete the following information):

  • Macbook Pro
  • Macos big sur
  • Chrome 96.0.4664.55

Hey @MCoxo,

Thank you for reaching out to the Zoom Developer Forum. Please see the following forum post and let me know if this covers your issue:


Hi Max, any news on this? We frequenly use the Zoom-web version and have had some poor experience, including:

  • no sound in room
  • very poor livestream quality
    Look forward to hear more.

Hi @ilumy

Thank you for your patience while we investigate this issue further.
We are still looking into this issue since we have received a couple of tickets about this.
As Max mentioned previously, there is an outgoing investigation on our end and we will update you as soon as we hear back from our Engineering team.


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