An organization has two Cisco Unity servers. The PBXs being used are not networked and do not have overlapping dial plans. The customer has requested that subscribers be able to address messages to subscribers stored on either Cisco Unity server. How should this be accomplished?

A.
Set the required dialing domain and configure it for Global Directory.

B.
Configure a Delivery Location ID and the Subscriber Search field.

C.
Set the subscriber search to Global Directory and configure the primary location dial ID

D.
Set the directory handler search option to search the entire directory and primary location ID.