Cloud Connected Audio (CCA) customers can provide a custom Toll Free Calling Restrictions document.
From the customer view in https://admin.webex.com, go to Services, and under Meeting, select Sites.
Choose the Webex site to change the settings for, and click Configure Site.
Under Common Settings, select Site Options.
From the Toll-free dialing restrictions drop-down list, select Customer toll-free dialing restrictions.
To show customer toll-free dialing restrictions, select Yes.
To provide the document on a web page, select URL, and then enter the URL in the corresponding field.
To provide a PDF version of the document, select PDF file, and then click Upload File.
Browse to the file location, select the file, and then click Open.