How does AT&T Unified Messaging work with my existing voice mail?
How does AT&T Unified Messaging work with my existing voice mail?
Learn how AT&T Unified Messaging work with your existing voice mail.
DETAILED INFO
How AT&T Unified Messaging works with your existing voice mail
It will replace your current voice mail service. As a next-generation, Internet-based messaging system, AT&T Unified MessagingSM cannot integrate with other voice mail services.