Guests from China cannot join a meeting

Even with the data centre set up, guest from China will be distributed to different data centres and that leads to high failure rate…


  • Download wasm files. Please check your network and firwall.
  • Black or White Page
  • High jitter and packet loss
  • Audio and Video loss
  • Meeting abrupt failure

Which version?
WebSDK 1.7.10


Smartphone (please complete the following information):

  • Browser:Chrome

Additional context
Add any other context about the problem here.

Hey @guiltdriver,

Are you using the China CDN?


Hey @tommy,

We copy all JS and CSS files in the CDN links to local project.
We found that the reason why the network is slow is to load three wasm file below:

My ip address:

Hey @guiltdriver,

Have you provided the China CDN for the wasm files?

// In China use
ZoomMtg.setZoomJSLib('', '/av'); 


@tommy Tkx! But the users of our website are from all over the world, not just in China, is there a more general solution?

Hey @guiltdriver,

Are you able to detect where they are located and supply the respective CDN? If not, please use the Global CDN.


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