Practical use of Call Quality Methodology

This post is authored by Henrik Jørgensen from Microsoft Services in Denmark. The following is based upon real life experience with the CQM framework from a Microsoft Consulting Services project. One of our customers reported bad experiences with Lync. Specifically the customer reported, that their end-users complained about problems with Audio and Video. The problems…


Microsoft Call Quality Methodology Scorecard for Lync Server

Yesterday we made version 2.2 of the Networking Guide available and it now includes the Microsoft Call Quality Methodology Scorecard for Lync Server. The Scorecard is used to implement Call Quality Methodology (CQM) as discussed in Appendix C of the Networking Guide. The new features in this version of CQM includes: PowerShell script to run…


Lync Call Quality Methodology sessions from various conferences

At the Lync Conference 2014, Andrew and I did two sessions on Call Quality Methodology (CQM): You Sound Marvelous Part 1 – An introduction to the Lync Call Quality Methodology You Sound Marvelous Part 2 – A deep dive into the Lync Call Quality Methodology SQL Queries and Data At TechEd North America 2014 Andrew…


Demo Queries from CQM presentations at Lync Conference 2014

At the Lync Conference 2014 in Las Vegas Andrew and I talked about Call Quality Methodology (CQM) in two sessions. In the session on the CQM queries I used 2 SQL Queries to show streams coming from a subnet and from a given user. I've attached the queries to this post. The queries are based…


Configuring picture from a web site in Lync 2013

When Lync 2013 shipped we did not provide the user interface to allow the user to configure his/her picture to be available on a web site (sometimes referred as photo url). With the November 7, 2013 update to Lync 2013 we have added this capability to Lync 2013. We have also changed the layout a…


MediaLineLabel in Lync 2013 QoE

The MediaLine table in the Lync 2013 and Skype for Business 2015 QoE database contains a column called MediaLineLabel. The label specifies the media type related to the MediaLine. In Lync 2010 you have been used to seeing the values 0, 1 and 2 in the column. However in Lync 2013 you might find the…


Call Quality Methodology (CQM)

During the last 6 months my colleagues Andrew, Brandon, Kent and I have been busy documenting the Call Quality Methodology or CQM as we call it. CQM is a holistic way to systematically define and assert call quality. CQM divides a Lync implementation into ten discrete areas that impact quality, defining targets and a remediation…


Microsoft Lync 2013 for Mobile and Passive Authentication

Introduction In Microsoft Lync 2013 for Mobile release 5.2 we are introducing support for passive authentication via Active Directory Federation Services (AD FS). It enables customers to sign in using other authentication methods than Active Directory including support for users, who don't know their Active Directory password. Kaushal gives a great overview about the feature…


What is the basis for classifying a call as poor in Lync 2013 QoE?

In Lync 2013 we changed how we classify poor calls in QoE. The flag is called ClassifiedPoorCall and it is now available in the MediaLine table. It is moved here, because we now support classifying poor calls for audio, video and application sharing. We use the same classification in Skype for Business 2015. The conditions…