You have received a trouble ticket from John Doe at extension 2001, which states that he cannot
call a new employee who has been assigned extension 2005. When John Doe attempts to call
2005 he hears a message that his call cannot be completed as dialed. What is one possible cause
of this issue?

A.
The new employee’s phone is not registered with Cisco Unified CallManager due to a physical
cable or IP connectivity issue.

B.
John Doe’s CSS does not contain the partition assigned to extension 2005.

C.
Extension 2005 was not assigned a partition.

D.
A Cisco Unity voice-mail box has not yet been created for the new employee.