Lync Online Name | Title | Microsoft Corporation

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| Copyright© 2010 Microsoft Corporation Announcing Microsoft Office 365 BRINGING TOGETHER CLOUD VERSIONS OF OUR MOST TRUSTED COMMUNICATIONS AND COLLABORATION PRODUCTS WITH THE LATEST VERSION OF OUR DESKTOP SUITE FOR BUSINESSES OF ALL SIZES.

| Copyright© 2010 Microsoft Corporation Microsoft Lync Connecting people in new ways, anytime, anywhere Adopt quickly through ease of use and Microsoft Office Reduce cost through converged communications Improve productivity through integrated experiences Instant Messaging and Presence Audio, Video, Web conferencing Voice & PBX Replace

| Copyright© 2010 Microsoft Corporation Lync Online – Key Features & Benefits At Launch Connect with others through Lync contact photos, activity feed and interactive contact card in Office Move easily from instant messaging into ad-hoc online meetings, including audio, video and screen sharing Conduct online presentations including audio, video, screen sharing and a virtual whiteboard Invite external contacts to easily join online meetings via a PC or web based client Connect with customers and partners through IM, audio and video federation

| Copyright© 2010 Microsoft Corporation Lync user can only be homed on-premises or online (cant split IM/conferencing/voice) Microsoft Lync Online – Capability Overview

| Copyright© 2010 Microsoft Corporation Lync Online – Enterprise IM & PC-to-PC Audio/Video Rich Presence Instant Messaging PC-to-PC audio/video calling GAL/skill search in SharePoint Activity Feed Click-to-communicate in Office Federation with Lync Server/Lync Online Federation with Windows Live Messenger Lync for Mac Lync web app for IM/Presence (Q4 CY2011) Mobile phone clients (Q4 CY2011) IM archiving (Q4 CY2011) Enterprise IM & PC-to-PC Audio/Video

| Copyright© 2010 Microsoft Corporation Lync Online – Conferencing (Online Meetings) Multiparty (3+) PC-Audio/Video Ad-hoc collaboration Desktop Sharing Application Sharing Online meetings Rich and web clients Integrated PSTN audio conferencing via partners Conferencing Lync Online replaces Live Meeting as the conferencing solution in BPOS W14 Live Meeting Service available for existing customers during transition to Lync

| Copyright© 2010 Microsoft Corporation Call landline phones and mobiles (PC-to-PSTN) Forward, transfer Simultaneous ring another number Exchange Voice Mail Integration Voice (Dial Tone) Lync Online – Voice (Dial Tone in Lync) Voice becomes available in Lync Online post BPOS W14 Requires separate service from a Telco partner to connect to the public phone network (Phone numbers, PSTN termination)

| Copyright© 2010 Microsoft Corporation Branch office appliance Fax and analog devices Automatic E911 Call Admission Control Existing telephony integration Call Park, Hunt Groups PBX Replace PBX Replace Available in Lync Server Only Cloud/on-premises co-existence options: Lync Server integrates with Exchange Online (W14) for voice mail in the cloud Splitting groups of Lync users between Lync Server and Lync Online available late CY11

| Copyright© 2010 Microsoft Corporation Lync & Cloud – Key Scenarios At BPOS W14 Launch CUSTOMER PROFILE LYNC CAPABILITIES OFFER BPOS W14 BPOS W14 + Lync Server (full UC Capabilities) DEPLOYMENT MODEL Only available with Lync Server (on-premises)

| Copyright© 2010 Microsoft Corporation Lync Server (On-premises) Lync & Cloud At Office 365 Launch Exchange Online SharePoint Online Lync Online

| Copyright© 2010 Microsoft Corporation © 2010 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista 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.

Appendix

| Copyright© 2010 Microsoft Corporation Conferencing (A/V/Web) IM/Presence Enterprise Voice PBX Replace Voice Local network integration (CAC, E-911, least cost routing) Direct trunks with existing PBX Support for FAX and analog devices Branch office resiliency Call park, hunt groups Call center integration PC-to-PSTN calling Commonly calling features (sim-ring, hold, transfer, forward) Exchange Online voice mail Anywhere access end-to-end encryption Lync Server (On premises) Lync Online (post launch) Key Capabilities Enterprise Voice = Voice + PBX Replace