QoS should be configured on Cisco VCS because it processes the media and the call signaling. The endpoints that register to Cisco VCS (such as the Cisco TelePresence System EX Series, C Series, and Cisco IP Video Phone E20) should…

You have configured location-based Call Admission Control on a Cisco Unified Communications Manager and Cisco IOS Gateway. After the policy below is configured, the calls now fail. All calls are using g729r8 as the codec. Which configuration resolves the issue?…

A CUCM end user with Extension Mobility is associated with an 8851 phone and 8851 device profile. However, the user logs into a Cisco 8941, which device profile will be used? A. 8941 default device profile B. 8851 default device…

In Cisco Unified Communications Manager region configuration, you have "Maximum Audio Bit Rate" set to 256 kbps between region A and region B. Which description is true? A. If the total bandwidth for all calls between region A and B…