What's new in Lync 2013 SDK

Lync 2013

What's new topic

Microsoft Lync 2013 SDK maintains the features of Microsoft Lync 2010 SDK and introduces a new set of features that give developers the ability to add enhanced collaboration features such as desktop sharing and Persistent Chat to their applications.

Last modified: July 30, 2013

Applies to: Lync 2013 | Lync Server 2013

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Watch the video: What’s New With the Lync 2013 SDK


The following table gives a summary of the Lync 2013 API features that have been added in releases following the initial release of the Microsoft Lync 2013 SDK.



API version

Lync endpoint types

This feature lets you create two unique client endpoints in separate processes on one computer. Use different sign-in credentials to let two users sign in to Lync 2013 on a single computer.

May 2013. 15.0.4507.3000

Application sharing for UI suppression mode

Enables application sharing conversations on a computer that is configured for Lync 2013 UI suppression mode. The feature lets you add an application sharing view to your custom client as an Microsoft.Lync.Model.Conversation.Sharing.ApplicationSharingView control

May 2013. 15.0.4507.3000

The following topics summarize key additions, improvements, and how to migrate existing Lync 2010 API-enabled application.



Enhanced collaboration features in Lync SDK

Microsoft Lync 2013 SDK includes new collaboration features that let you manage the meeting video view, better control resource sharing, and share information in a meeting in such a way that all participants can annotate the shared information.

Chat room features in Lync SDK

Microsoft Lync 2013 SDK includes Persistent Chat features that lets you create a Silverlight add-in application that is hosted in a Lync 2013 host chat room and that lets you create a custom chat room.

Object model expansion

The Microsoft Lync 2013 API includes new types to enable the features, such as Persistent Chat, resource sharing, and meeting content.

Expanded code samples

The sample collection includes quick-start samples that let you quickly get started with Lync development by demonstrating one Microsoft Lync 2013 API feature at a time. There is also a set of end-to-end samples that show how to put all the API features together to create a complete unified communication solution.

Migrate an application to Lync 2013 SDK

Learn how to migrate an existing Microsoft Lync 2010 SDK-enabled application to Microsoft Lync 2013 SDK. The migration tasks include changes to assemblies that are referenced in your project and the installation of the latest Microsoft Silverlight development support tools.

Run an application in multiple Lync versions

Learn how to run a Microsoft Lync 2013 API-enabled application on a computer where multiple versions of the Lync client are installed.

Lync 2013 system registry keys

Learn about the computer registry keys that Microsoft Lync 2013 creates in a computer system registry, some of which have changed.