The receptionist client is being retired. The announcement was made in December 2023. It has been replaced by a new modern experience, The attendant console https://help.webex.com/en-us/article/4xgekbb/Get-started-with-the-Attendant-Console

James, this is not normal as you should be able to see those settings. Please contact TAC so they can resolve your issue. 

I am unable to recreate your issue on both my android and apple phones. Can you try and see if you see these options.In the webex app, go to settings > calling > advanced settings > incoming calls > call forwarding.Do you have call forwarding options...

In the menu where you see Do Not Forward and Voicemail, there should be an option to " add number" . Add the number that you want your calls to forward. Once you do that the edit button becomes active to allow you to edit that number if you need to c...