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9-2
Design Guide for Cisco Unity Release 5.x
OL-14619-01
Chapter 9 Migrating to Cisco Unity from Another Voice-Messaging System
• The supporting infrastructure (for example, message store servers), whether dedicated to
Cisco
Unity or being used by Cisco Unity, must be evaluated for availability and responsiveness.
This can be accomplished by helping a customer understand the dependencies Cisco
Unity has on
the infrastructure, and how Cisco
Unity performance or functionality can be affected by loss of
connectivity to any of the external dependencies. Any problem areas should be addressed prior to
installation of Cisco
Unity. Cisco Unity will expose any deficiencies on the network, due to the way
it uses the resources available on the network.
When the Cisco Unity design is finalized and verified through lab qualification, Cisco Unity
functionality should also be tested before cutover by running a simulated load test and by running
application test plans.