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Design Guide for Cisco Unity Release 5.x
OL-14619-01
Chapter 7 Cisco Unity Failover and Standby Redundancy
Standby Redundancy
Diagram of a Standby Redundancy Configuration
Figure 7-1 shows one possible configuration for a Cisco Unity standby redundancy system.
Figure 7-1 Cisco Unity Standby Redundancy Example Diagram
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Voice
gateway
Cisco
Unified CM
M
Circuit-switched
phone
system
Cisco Unity
primary
server
IP
IP
V
Exchange
cluster
Active
Directory
DC/GC
IP
IP
IP phones
PIMG or
TIMG unit
Data Center 1
Remote site A
PSTN
WAN
Voice
gateway
Cisco
Unified CM
M
Cisco Unity
secondary
server
V
Exchange
cluster
(or warm standby)
Active
Directory
DC/GC
Data Center 2
Remote site B