This chapter covers the following topics:
Describing why call admission control is important to maintain voice QoS across an IP WAN
Describing how the locations feature in Cisco CallManager provides call admission control for centralized call-processing environments
Configuring locations-based call admission control in a centralized call-processing deployment to limit the number of active calls and prevent oversubscribing the bandwidth on the IP WAN links
Explaining what AAR is, how it works, and the requirements for configuring Cisco CallManager for AAR
Describing how a gatekeeper ...