You need to recommend a solution that will improve voice quality for Lync clients.
What should you recommend?
A. Configure an Audio and Video Quality of Service (QoS) to use a DSCP value of 40 and a port range of 57501:65535.
B. Change the Voice8021p value to 46.
C. Configure a Domain Group Policy object (GPO) configuring Quality of Service (QoS) and set it to Enforced for all Windows XP SP3 and Windows Vista clients.
D. Ensure that VoiceDiffservtag values are set to 46 for all Lync Phone Edition devices at all sites.
