2. Unified communications platform Enterprise-ready

4. Presence Persistent chatClients Instant message IM

5. Improves productivity

8. LCS 2005 OCS 2007 OCS 2007 R2 Lync 2010 Office 15 Federation Public IM Connectivity (PIC) (Windows Live, AOL, and Yahoo) + Open federation with Lync Microsoft Office Communications Server (OCS) deployments + Stand-alone Extensible Messaging and Presence Protocol (XMPP) gateway + On- premises to online federation + Native XMPP gateway + Skype federation

9. Easy to use IM

12. FE Lync serverExchange EWS Lync archives to Exchange Exchange hold policy to Lync End-user Lync IM and online meeting experience Unified e-discovery, preservation, records management experience End-user access to IM archive in mailbox conversation history folder

14. Unified client

19. Lync 2013

23. © 2012 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.