Clusters for Multisite WAN with Centralized Call Processing

As stated earlier, Cisco CallManagers within a cluster must be interconnected over a local area network. Cisco CallManager also provides locations-based call admission control that enables provisioning of small branch and telecommuter solutions where remote call processing is acceptable. Figure 3-9 illustrates this model.

Figure 3-9 Locations Based Call Admission Control

Central site

Figure 3-9 Locations Based Call Admission Control

Central site

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