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Upon restoration of the connectivity to the Cisco Unified Communications Manager, the system automatically shifts
call-processing functions back to the primary Cisco Unified Communications Manager cluster. Configuration for this
capability is performed only once in the Cisco Unified Communications Manager at the central site (Figure 2).
Figure 2.
Cisco Unified Communications Router Features and Benefits
Simple Administration
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Provides centralized administration and management
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Enables administration of large dial plans
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Provides a single point of configuration for a Cisco IP Telephony network
Availability
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Provides for Cisco Unified Communications Manager redundancy; if a primary host Cisco Unified
Communications Manager fails, call control fails over to the next available Cisco Unified Communications
Manager server
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Offers branch-office survivability using SRST when connection to the Cisco Unified Communications
Manager cluster is lost
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Centralized Cisco Unified Communications Manager Deployment with SRST
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