A Cisco TelePresence MCU Auto Attendant does not allow users to set up ad hoc
conferences, even though the media port reservation setting is off. What may cause this
problem?

A.
The user endpoint does not have MultiSiteinstalled.

B.
The auto-attendant has not been set up correctly.

C.
The global conference setting, auto-attendant, is not set up correctly.

D.
The streaming option was selected instead of the ConferenceMeoption.