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Networking Guide for Cisco Unity Release 5.x (With Microsoft Exchange)
OL-13844-01
Chapter 1 Networking in Cisco Unity
Comparison of AMIS, Bridge, and VPIM Networking
Bridge Networking
VPIM Networking
The schema extensions needed to support Digital Networking and AMIS Networking are part of the
general set of schema extensions for Cisco Unity.
For detailed information about the data that is stored in the directory, see the following white papers:
Cisco Unity Data and Active Directory (Cisco Unity 5.x and Later with Microsoft Exchange) and Active
Directory Capacity Planning (Cisco Unity Version 5.x and Later with Microsoft Exchange). Both white
papers are available at
http://www.cisco.com/en/US/products/sw/voicesw/ps2237/prod_white_papers_list.html).
Comparison of AMIS, Bridge, and VPIM Networking
AMIS, Bridge, and VPIM Networking can be used for networking Cisco Unity with other voice
messaging systems. However, there are several differences among these networking options, as
described in the following sections:
Interoperability
General Connectivity Costs
Supported Voice Gateways
International Availability
Blind Addressing
Addressing by Name or by Extension
Spoken Name Confirmation
Audio Formats Supported
Delivery Receipt/Read Receipt
Directory Information Sharing
Distribution Lists
Mailbox ID Translation
Fax Messaging
Message Transport Time Considerations
Private Messages
Secure Messages
Simultaneous Analog Sessions for Message Delivery to or from Remote Voice Mail Systems
Urgent Messages
System Broadcast Messages