/mcpThis inconsistency in bandwidth accounting may cause attempts to establish new sessions to be blocked unnecessarily. The Flexible DSCP Marking and Video Promotion feature allows you to configure a Video Promotion policy that reconciles the inconsistency in bandwidth accounting in favor of the application that receives more favorable CAC and QoS treatment. For example, if a session between a desktop video endpoint and a high-definition video room system is reconciled in favor of the video room system, then the reconciliation is deemed a promotion for the desktop video endpoint. When reconciliation is in effect between devices and applications of different types, bandwidth is deducted only for the type of application that is favored by reconciliation. If sufficient bandwidth is available for a session of this type to be admitted, the device or application of the type that is not favored by reconciliation is instructed to change the DSCP markings that it uses to those that are used by the device or application of the type that is favored by reconciliation. For example, if a desktop video endpoint is promoted in a session with a high-definition video room system, bandwidth accounting takes place as if the desktop video endpoint were an application of the same type as the video room system. The desktop video endpoint is instructed to change its DSCP markings to those that are used by the video room system. The QoS treatment is consistent in both directions, bandwidth is deducted for a session between devices and applications of the same type as the video room system, and bandwidth is not deducted for a session between devices and applications of the same type as the desktop video endpoint. When you activate the Flexible DSCP Marking and Video Promotion feature, Unified Communications Manager dynamically signals desktop video devices a Traffic Class Label that is indicative of the DSCP marking for each negotiated media stream. Custom QoS Settings for Users You can customize Quality of Service (QoS) settings within a SIP profile and apply those settings to your users. The SIP Profile Configuration window has been enhanced with the following types of QoS settings: • Custom DSCP values for audio and video streams • Custom UDP port ranges for audio and video streams Custom DSCP Values for Audio and Video You can configure DSCP values for audio and video calls within a SIP profile and apply them to the SIP phones that use that profile. The SIP Profile Configuration window includes custom DSCP settings for the following types of calls: • Audio calls • Video calls • Audio portion of a video call • TelePresence calls • Audio portion of a TelePresence call If your company has a set of employees, such as a sales force, or a CEO, who require higher QoS priority settings than the majority of your employees, you can use the SIP profile configurations to configure custom DSCP values for those users. The settings within the SIP profile override the corresponding clusterwide service parameter settings. Feature Configuration Guide for Cisco Unified Communications Manager, Release 15 and SUs 772 Advanced Call Processing Custom QoS Settings for Users