Refer to the exhibit.
What is the possible cause of the errors?
A.
The Cisco TelePresence endpoint does not have a mailbox in the Calendar server.
B.
The Cisco TelePresence endpoint is not registered with the Cisco Unified Communications Manager.
C.
The room email address in the Unified CM for the Cisco TelePresence endpoint does match the email address of the mailbox in the Calendar
D.
The Cisco TelePresence Manager user in the Calendar server does not have rights to the Cisco TelePresence endpoint mailbox.