From the customer view in https://admin.webex.com, go to Users, and then select the user you want to modify.


Select Calling, go to Between-User Permissions, and then select Barge In.


Turn on Barge In, choose whether you want to make the ongoing call a conference call.

  • Allow others to add themselves to this user’s calls.
  • Play a tone when someone barges into a call.

Then click Save.