Third-party account integration is disabled by default. Third-party account integration isn't supported on the Cisco Webex Meetings desktop app or the Cisco Webex Meetings mobile app.
Sign in to Webex Site Administration and go to .
Scroll down to the Third-Party Integration section, and check the Sign in check box for each third-party account you want to be enabled on your site.
Scroll to the bottom of the page and select Update.