Media Port Range Behavior on Polycom Devices
November 8, 2017 by Jeff Schertz · 5 Comments
An older, now partially outdated article covered in depth how to configure Quality of Service (QoS) on Polycom VVX phones for use with Lync Server. Much of the guidance in that article is still applicable and even extends to newer Trio conference phones as well as the newer Skype for Business Server and Online platforms. […]
Skype for Business VBSS Update
June 30, 2016 by Jeff Schertz · 44 Comments
Since the introduction of VBSS in the article Video Based Screen Sharing (VBSS) for Skype for Business last year Microsoft has released several changes to the platform to further leverage this technology. This new article will serve as an update to the concepts outlined in the original as well as outline any future behavior or […]
Video Based Screen Sharing in Skype for Business
October 2, 2015 by Jeff Schertz · 54 Comments
Video Based Screen Sharing (VBSS) is a new Skype for Business client capability that has for the most part flown in under the radar. There is currently very little information available about this new functionality, and as with anything not well understood it seems to be creating more confusion than warranted. Most of the questions […]
Video Interoperability in Skype for Business
January 26, 2015 by Jeff Schertz · 62 Comments
With the recently launched Office 365 Summit events Microsoft has started sharing technical details on the various new capabilities which are on the horizon with the future release of Skype for Business Server. In a previous article this rebranding of Lync to Skype for Business (SfB) was analyzed and explained in an effort to clarify […]
SILK Audio in Lync Mobile Clients
November 7, 2014 by Jeff Schertz · 4 Comments
A previous article entitled Media Codes in Lync 2013 covered the introduction of the SILK narrowband and wideband audio codecs from Skype into the Lync 2013 desktop client. Since posting that article Microsoft has also added SILK support into the various Lync 2013 mobile clients, which means that some call scenarios like mobile-to-mobile Lync calls […]
Configuring QoS for Lync IP Phones
October 6, 2014 by Jeff Schertz · 31 Comments
This article covers various aspects of configuring a complete Quality of Service (QoS) design in a Lync environment which utilizes various models of IP handsets for Lync. Prioritization of both signaling and media communications will be covered by addressing the following topics: Designing and configuring a network QoS plan Enabling QoS on network devices Enabling […]
Understanding Lync Modalities
August 31, 2014 by Jeff Schertz · 41 Comments
There are multiple ways to initiate communications sessions in Lync across different modalities and features. These various options can utilize a few different network paths to reach the intended destination(s). The path that each takes depends primarily on the type of communication involved and is also influenced by the number of parties involved. In Lync, […]
Video Temporal Scaling Behavior in Lync 2013
May 27, 2014 by Jeff Schertz · 4 Comments
This article is a continuation on a series of articles dedicated to the H.264 Scalable Video Coding (SVC) video codec implementation utilized by Lync 2013. Previous article introduced the standards-based codec and the possibilities it contains based on the defined specifications. Additional articles, like this one, take a closer look at how the actual implementation […]
Planning for Video in Lync
May 9, 2014 by Jeff Schertz · 11 Comments
Microsoft has recently posted all recorded sessions from the 2014 Lync Conference to the Channel 9 events page on MSDN. Among these are a pair of sessions I presented this year on the topic of planning for and understanding the impact of video traffic on your network. Video – What in the World are You […]
Media Codecs in Lync 2013
March 31, 2014 by Jeff Schertz · 26 Comments
The original intent of this article was to review the current list of supported audio and video codecs in Lync 2013 and attempt to explain what each one is used for given that the list has grown quite a bit over time. But due to the latest announcements around Lync and Skype integration it seems […]
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