About this update
This update enables you to use Network Mean Opinion Score (NMOS) in the Quality of Experience (QoE) report to monitor the Lync 2013 call quality. The call uses SILK audio codec.
Note SILK is the default audio codec for Lync mobile client calls or the calls between Lync mobile client and Lync 2013.
To install this update for Lync 2013, click the following article number to view the article in the Microsoft Knowledge Base:
2880980 Update 2880980 for Lync 2013: May 2014