Why might a user find it necessary to log on to the CCM server?

A.
To activate the directory path.

B.
To check the activity of the phone directory.

C.
To activate the phone extension.

D.
To customize the phone options.

E.
To indicate presence at the phone.

Explanation:
Users do not have to activate phones; however, they can logon to CCMUser on the Call Manager & customize their phone settings.