WebEx: How to Share Multimedia in WebEx
While you are hosting your WebEx Meeting,
Go to the toolbar and click Share
Click Share Multimedia
When prompted, enter the URL of the multimedia which you would like to share.
Click OK.
To share multimedia, enter the URL for the web page that contains the multimedia content, not the direct URL for downloading the multimedia file. The content will automatically appear in the Multimedia Viewer panel for all attendees.
Note: The Multimedia Viewer panel does not support Linux, Solaris, and mobile operating systems.