You are a messaging professional. Your company has a Microsoft Exchange Server 2007 messaging system.
The company requires users receive e-mail messages, faxes, and voice-mail messages in their Exchange mailboxes.
The company uses an IP/PBX device to receive faxes and to process internal phone calls. You deploy a Unified Messaging server.
You need to ensure that all Voice over IP (VoIP) communication is encrypted.
What should you do to ensure that all Voice over IP (VoIP) communication is encrypted?
A.
Implement IPSec between the Microsoft Office Outlook 2007 client computer and the Mailbox server.
B.
Implement Mutual Transport Layer Security (MTLS) between the IP/PBX device and the Unified
Messaging server.
C.
Implement IPSec between the Unified Messaging server and the Microsoft Active Directory servers.
D.
Implement IPSec between the Unified Messaging server and the Hub Transport server.