Which of the following best describes the differences between intercom and speed dial?

A.
There is no difference.

B.
Intercom is mapped to a softkey.

C.
Speed dial is mapped to a softkey.

D.
Speed-dial must be configured by administrator.

E.
By default, intercom call is automatically answered.

Explanation:
Speed-dials can be added by users, only answer E is valid.