Refer to the exhibit. A user at Acme Co. reports that when someone leaves a voicemail message,
their MWI does not light up. The administrator has checked the MWI configuration in Cisco Unified
Communications Manager Express and found that the MWI On number is 9001 and the MWI Off
number is 9000. Using the trace output from the Cisco Unity Express module, what is the
problem?

A.
The MWI On number configuration is incorrect in Cisco Unity Express

B.
The CCN subsystem SIP is incorrect in Cisco Unity Express.

C.
The MWI Off Number configuration is incorrect in Cisco Unity Express

D.
The SIP is misconfigured in Cisco Unified Communications Manager Express

E.
The MWI application is not enabled