How HTTP is Utilized in Lync Server

December 30, 2012 by · 17 Comments 

Nearly all communications between Lync clients and the Lync Server web services are maintained over port 443, yet there are a few instances when HTTP traffic over Port 80 is utilized.  Thus depending on the scenario if any traffic over this port is not allowed to or from the server then some functionality may be […]

Lync 2013 Web Conferencing Upload Limit

December 20, 2012 by · 5 Comments 

This article shows how to customize the file size limit for items uploaded to Lync 2013 web conferences by attendees connected using either a Windows Lync client or Lync Web App. Lync Client Any Lync clients which connect to a multi-party conference hosted on a Lync 2013 Front End server will only be allowed to […]

Polycom Qualified Lync Phones with PIN Authentication

December 17, 2012 by · 27 Comments 

Polycom has just released an update to the UCS firmware for VVX 500 and VVX 600 phones which includes additional functionality for Lync 2010 interoperability.  On top of the features already provided in the previous Lync Qualified release the ability to support PIN Authentication is now available on these two phone models. In order to […]

Lync 2013 Client Autodiscover

December 1, 2012 by · 84 Comments 

A recent NextHop article explains in some detail the fact that the new Windows Store Lync client only supports the newer Lync Autodiscovery method for locating a Lync registrar to sign-in to the environment. This article shows how to verify and test the automatic sign-in behavior of various Lync clients in an environment by showing […]

Importing Certificates on Polycom SIP Phones

November 5, 2012 by · 25 Comments 

  A recent blog article shows how to easily deploy a Polycom SIP Phone running UCS 4.1.0 firmware in a Lync environment, but in the event that the device is unable to successfully sign in to the Lync server then this is typically a TLS communications problem most often attributed to a certificate trust failure. […]

Updating Polycom SIP Phone Firmware

October 31, 2012 by · 51 Comments 

This process can be used on any of the Polycom SIP Phones which support 4.x software today (SoundPoint IP, SoundStation IP, VVX, and SpectraLink models). This only applies to devices which are already running at least version 4.0.0 of the UCS firmware. In previous versions (Polycom SIP software 3.x or earlier) this manual process was […]

Polycom Qualified Lync Phone Configuration

October 31, 2012 by · 36 Comments 

In a previous series of articles the configuration and registration of Polycom SIP phones was covered in detail with directions specific to using the previous Polycom Unified Communications Software (UCS) 4.0.x firmware release.  The Lync interoperability story changes quite a bit for these device families in terms of available features and provisioning steps with this […]

Chicago Lync Users Group Meeting

October 16, 2012 by · 3 Comments 

The newly formed Lync Users Group is hosting a number of meetings in various U.S. cities this month and I will be presenting on Lync 2013 topics at the Chicago event next week alongside Kevin Peters and 911 Enable. October 2012 UC User Group Meeting The Chicago UC Users Group will be conducting its inaugural […]

Lync Edge STUN versus TURN

October 15, 2012 by · 68 Comments 

The primary purpose of this article is to help explain the difference in the available media paths provided by the Interactive Connectivity Establishment (ICE) protocol.  These solutions provided by the implementation of ICE in Lync Server applies to both UDP and TCP transmission of data so audio, video and desktop sharing sessions can all take […]

Locking Lync Phones

September 19, 2012 by · 41 Comments 

There are two different types of telephone handsets optimized for Lync which support the ability to be tethered via USB to a Windows PC for a ‘better together’ user experience.  In the event that the connected Windows PC is locked manually by a user or automatically by the screen saver then the devices can also […]

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