Thanks, Ksenia! I think we hold off on writing an override patch until WebEx confirms the problem. Perhaps they can provide a list of affected domains we should override. In bug 1643204 comment 0, dbaron originally reported WebEx audio problems with W3C meeting held on WebEx. I don't know the W3C meeting's URL.
Bug 1648476 Comment 1 Edit History
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Thanks, Ksenia! I think we hold off on writing an override patch until Webex confirms the problem. Perhaps they can provide a list of affected domains we should override. In bug 1643204 comment 0, dbaron originally reported Webex audio problems with W3C meeting held on Webex. The domain was mit.webex.com.