QuestionQ300

Media and QoS

An engineer must assist a customer’s administrator with setting QoS options for the cluster. Which two QoS settings are available on the Cisco UCM server?

Choose two
  • A Have the option to set the DSCP values for "video calls", "audio portion of the video calls", and "immediate video calls" separately.
  • B Audio calls and the audio portion of video calls are tagged with DSCP value 46.B. Configure the clusterwide QoS parameters in the Enterprise Parameter section on the Cisco UCM publisher.
  • C The option "DSCP for Video" sets the DSCP value for all types of video to the same value.
  • D Configure the clusterwide QoS parameters in the Cisco CallManager Service Parameter section on any nodes within the Cisco UCM cluster.
Explanation

Cisco Unified CM exposes separate clusterwide DSCP settings for video calls, the audio portion of video calls, and TelePresence/immersive calls. These clusterwide QoS values are configured in the Cisco CallManager service’s Service Parameters on a cluster node; they are not Enterprise Parameters. Cisco documents the Clusterwide Parameters (System - QoS) section as containing DSCP values for audio, video, video-audio, TelePresence, and TelePresence-audio call types.

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