Cisco agreements you must review and agree to
In order to use the Sinch Calling with Webex solution, Cisco requires us to notify you of some documents that you will want to review with your legal and security teams.
Cisco End User License Agreement
Note the end user license agreement is a general agreement that applies to all Cisco software and cloud products.
Cisco Privacy Data Sheets for Webex Meetings and Webex App
This is also a very extensive list of Cisco products, but the key one is here.