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Lync

Lync logo Find API references, how-to documentation, training, and SDKs for Microsoft Lync 2013, Microsoft Lync Server 2013, Microsoft Lync Server 2013 Persistent Chat, Microsoft Lync 2010, Microsoft Lync Server 2010 and related products.

This section of the MSDN library provides API references, how-to documentation, training, and SDKs for the Microsoft Lync products including client applications, services, tools, and technologies.

Explore Lync developer documentation

Microsoft Lync 2013 and related products

Browse developer documentation for the most recent version of Lync and related client products including:
Lync 2013 SDK documentation
Lync Server 2013 SDK documentation
Lync Server 2013 Persistent Chat SDK documentation
Unified Communications Enhanced Presence Schemas for Lync Server 2013 documentation
Unified Communications Managed API 4.0 SDK documentation

Related products located in other sections of the MSDN library:
Speech Technologies

Microsoft Lync 2010 and related products

Browse developer documentation for the Microsoft Lync 2010 release including:

Lync 2010 SDK Documentation
Lync Server 2010 SDK Documentation
Lync Server 2010 Group Chat SDK Documentation
Unified Communications Managed API 3.0 Core SDK Documentation
Unified Communications Managed API 3.0 Workflow SDK Documentation
Unified Communications Enhanced Presence Schemas for Lync Server 2010 Documentation
Lync 2010 Technical Articles
Lync 2010 Identity Client Runtime for Lync Online and Exchange Online General Reference (Lync Online 2010)

Related products located in other sections of the MSDN library:
Lync Development in Visual Studio
Tellme Services
Unified Communications Managed API 2.0 Speech SDK Documentation
VoiceXML Tutorial

Microsoft Lync Online

Browse developer documentation for Microsoft Lync Online including:
Lync 2010 Identity Client Runtime for Lync Online and Exchange Online General Reference (Lync Online 2010)

Related products located in other sections of the MSDN library:
Microsoft Exchange Online

Microsoft Communications Server 2007 R2

Browse developer documentation for Communications Server 2007 R2 and related products located in other sections of the MSDN library:
Communication Server 2007 R2 Group Chat SDK
Communications Server 2007 R2 Server SDK
Communicator 2007 R2 Enhanced Presence Interop Developers Guide
Unified Communications Enhanced Presence Schema Reference (2007 R2 Release)
Unified Communications Managed API 2.0 Core SDK Documentation
Unified Communications Managed API 2.0 Speech SDK Documentation
Unified Communications Managed API 2.0 Workflow SDK Documentation

Microsoft Communications Server 2007 and other legacy products

Browse developer documentation for Communications Server 2007 and related products located in other sections of the MSDN library:
Communications Server 2007 Server SDK
Communications Server 2007 Speech Server
Unified Communications AJAX 2007 SDK
Unified Communications Client 1.0 SDK
Unified Communications Enhanced Presence Schema Reference (2007 Release)
Unified Communications Managed API 1.0 SDK

Related products located in other sections of the MSDN library:
Communicator 2007 and Communicator 2007 R2 Automation API Documentation
Live Communications Server 2003
Live Communications Server 2005

Microsoft Live Meeting service

Browse legacy developer documentation for the Live Meeting service located in other sections of the MSDN library:
Office Live Meeting Service API
Office Live Meeting Service Portal API