The subject matter of this disclosure can be implemented in, among other things, a method. In these examples, the method includes receiving a request to join a conference call from a user, and determining whether the user is allowed to join the conference call based on an access policy configurable by a moderator of the conference call. The method may also include upon determining that the user is allowed to join the conference call, connecting the user to the conference all, determining a set of permissions granted to the user for participating on the conference call based on the access policy, and outputting a user interface to the user or sending a message to another computing device to cause the other computing device to output the user interface to the user, wherein the user interface includes a set of conference call management options based upon the set of permissions granted to the user.