Which two issues can cause this problem?
Many users report that there is a delay in receiving MWI notifications for voicemails. Which two issues can cause this problem? (Choose two.)
A. The Connection Notifier service has been stopped.
B. Voicemail ports are not configured for MWI requests.
C. The MWI functionality for the port groups has been disabled.
D. Not enough MWI assigned ports are available.
E. MWIs are in the process of synchronizing with the phone system.
Correct Answer: DE