When a user calls a Cisco Unified Communications Manager telephone and another call is already
in progress on that telephone, the calling user sees incorrect line identification information. Which
configuration item is at fault?

A.
The calling user dialed the wrong number.

B.
The directory number exists in two partitions, but each line has different line identification
information.

C.
The call was forwarded to another directory number.

D.
The line that was called cannot accept more than one call at a time.

Explanation: