Chapter 5 AMIS Networking

AMIS Concepts and Definitions

Private List Considerations for Migrating Subscribers

When you migrate AMIS subscribers, consider notifying Cisco Unity subscribers of these potential effects on private distribution list membership:

When you delete a delivery location, blind addressees are removed from all private lists.

When an AMIS subscriber becomes a regular subscriber, the AMIS subscriber is removed from all private lists.

Considerations for Networked Cisco Unity Servers

In organizations with multiple Cisco Unity servers networked together, when subscribers address messages to an AMIS delivery location (by using blind addressing) or to an AMIS subscriber, the AMIS transmission originates from the Cisco Unity server on which the AMIS delivery location was created. (Note that AMIS subscribers are always created on the same Cisco Unity server as their associated AMIS delivery locations.)

When subscribers address a message to someone on the remote voice messaging system, the Voice Connector delivers the message to the UAmis mailbox that is associated with the Cisco Unity server on which the addressed AMIS delivery location was created. The AMIS schedule and the AMIS delivery options on the pertinent Cisco Unity server are applied.

Only one Cisco Unity server in the network needs to be licensed and set up for AMIS. If allowed by the primary location addressing options, all subscribers, no matter which Cisco Unity server they are associated with, can send messages to an AMIS delivery location or to an AMIS subscriber. The Cisco Unity server that is configured for AMIS acts as the AMIS “bridgehead” server for the other Cisco Unity servers in the network. For example, in Figure 5-1, there are three Cisco Unity servers in the network, but Unity 2 is the only server licensed and configured for AMIS. Unity 2 places and receives all of the AMIS calls. Thus, no matter which Cisco Unity server a subscriber is associated with, when the subscriber sends a message to someone on another voice messaging system, the message is routed to the UAmis mailbox that is associated with Unity 2. This mailbox is homed on the Exchange server that was selected in the Message Store Configuration wizard during the setup of Unity 2.

 

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Cisco Systems 5.x Considerations for Networked Cisco Unity Servers, Private List Considerations for Migrating Subscribers