Michael, these are excellent, thank you for educating us!

Hi Jacob,I would confirm you have the  "Mobile" WxC application box checked under user configuration. See screen shot:   Note - requires admin access to change    

Hi Anna, Users that no longer exist in your company should be removed. Here's a document that explains the process.Note - this only applies if your site is Control Hub managed. Also, you must be a full administrator to delete users in Control Hub.   ...

Hi Matt,   Totally agree! Leveraging the Webex App to collaborate with customers and Cisco TAC is a much more efficient way to engage Technical Resources and keep track of content. It would be difficult to revert back to phone only support!