Lync Online - Overview

| Copyright© 2010 Microsoft Corporation Lync Online – Key Features & Benefits At Launch IM, Lync-to-Lync audio and video (including external orgs and Windows Live) Click-to-Lync from Outlook, SharePoint and other Office apps Ad-hoc & Scheduled online meetings including audio, video, content sharing and a virtual whiteboard 2

| Copyright© 2010 Microsoft Corporation Lync user can only be ‘homed’ on-premises or online (can’t split IM/meetings/voice) Lync Online – Capability Comparison 3

| Copyright© 2010 Microsoft Corporation Dial-in (PSTN) Audio Conferencing for Lync Online Dial-in audio conferencing requires a separate service from a third-party provider The integrated dial-in audio conferencing service will enable meeting attendees to dial into Lync meetings from any phone. Office 365 customers will purchase the PSTN audio conferencing service directly from approved Microsoft partners. Ability for a tenant admin to import provisioning data about the Audio Conferencing service into Lync Online. Expected providers at GA: BT, Intercall, Premiere Global (PGi) Different from Lync Server (on-prem) which provides native dial-in audio conf Similar architecture to the current Live Meeting service Office 365/Lync Online Approved Audio conferencing Provider (ACP) PSTN Audio bridge integration

| Copyright© 2010 Microsoft Corporation Lync Online Features and Pricing Feature Lync Online Plan 1Lync Online Plan 2 Instant messaging, presence and Lync-to-Lync audio and video Instant messaging, presence and online meetings, including multi-party audio, video and web conferencing Authenticated attendee in Lync meetings Initiate ad-hoc and scheduled online meetings-Up to 250 attendees Initiate multi-party Lync-based audio/video- Initiate interactive data sharing (screen/application/whiteboard) - Initiate integration with 3 rd party dial-in audio conferencing service - On premises rightsStandard CALStandard CAL + Enterprise CAL Standalone price$2/user/month$6.50/user/month 5

| Copyright© 2010 Microsoft Corporation For Information Workers – Plan E Family

| Copyright© 2010 Microsoft Corporation Lync Server (On-premises) Lync & Cloud At Office 365 Launch Exchange Online SharePoint Online Lync Online 7

| Copyright© 2010 Microsoft Corporation Hybrid Cloud/On-Premises Deployment Options 8 Hybrid Cloud/premises model Supported in Office 365? Example scenario hybrid environment (Lync On-prem, Exchange/SharePoint Online) Yes (at GA) Full PBX replace/enhance (Lync Server) hybrid Lync users (same domain: some users on-prem, some online) No (planned for post GA) Gradual migration Co-existence: Lync Server for full PBX in headquarters International workers on Lync Online hybrid Lync workloads (IM & meetings online, voice on-prem) No -

| Copyright© 2010 Microsoft Corporation Capabilities Mapped to Possible Customer Goals Microsoft Confidential and Internal Use Only

POST GA ROADMAP 10

| Copyright© 2010 Microsoft Corporation Calls with landline phones and mobiles (Lync-to-PSTN) Forward, transfer Simultaneous ring another number Exchange Voice Mail Integration Voice Lync Online – Voice (Lync phone number) 11 ‘Mobile worker’ Voice – no integration with existing telephony systems Requires separate service from a certified ‘Telco’ partner (numbers, minutes) Gradual international rollout and Telco partner options

| Copyright© 2010 Microsoft Corporation Mobility 12 * Conceptual Mockups Deliver a consistent Lync experience across mobile platforms 2011 Expand mobile platform coverage to Windows Phone, iOS, and Android phones in addition to existing coverage of BlackBerry and Nokia phones Deliver core Presence, IM, and communication s functions

Q&A 13

| 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. 14

Appendix 15

| Copyright© 2010 Microsoft Corporation Screen shot walk through 16

| Copyright© 2010 Microsoft Corporation IM & Lync-to-Lync Audio/Video Rich Presence Instant Messaging Lync-to-Lync audio/video calling Contact photos and search Activity Feed Click-to-Lync in Office Federation with Lync Server/Lync Online Federation with Windows Live Messenger Lync for Mac IM & Lync-to-Lync Audio/Video 17

| Copyright© 2010 Microsoft Corporation Lync with External Organizations & Networks (federation) Lync Federation enables 2 Lync users in different organizations to see presence and communicate using IM and PC-based audio, video and screen sharing Lync Online tenants can federate with: Other Lync Online tenants, Lync 2010 Server and OCS 2007 on- premises Lync Federation is also available with Windows Live Messenger (aka PIC). Includes presence, IM, audio and video Federation with other public IM networks is not supported at GA 18

| Copyright© 2010 Microsoft Corporation Lync Online – Online Meetings (Conferencing) Multiparty (3+) PC-Audio/Video* Ad-hoc collaboration Desktop Sharing Application Sharing Online meetings Rich and web clients Integrated PSTN audio conferencing via partners Online Meetings Live Meeting Service available for existing customers during transition to Lync No support for Interop with telepresence/room based video conferencing 19

| Copyright© 2010 Microsoft Corporation Interoperability with 3 rd party PBX Call Admission Control Automatic E911 Branch office appliance Fax and analog devices Call Park, Hunt Groups Telephony Full Voice & Telephony available in Lync Server (on- premises) For full telephony, a Lync user must be ‘homed’ on-premises for all Lync workloads. Lync Server 2010 integrates with Exchange Online for voice mail in the cloud 20

| Copyright© 2010 Microsoft Corporation Lync Online meetings (Audio, Video and web conferencing) Lync Server (On- premises) 2 Lync Online Comparing conferencing capabilities for cloud and on- premises Lync Online + integrated ACP 1 1 Requires a separate PSTN audio conferencing service from a qualified partner 2 Requires a separate PSTN connectivity service from a qualified Telco partner 21

| Copyright© 2010 Microsoft Corporation Telephony Infrastructure 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 GA) Key Capabilities Lync Online Voice coming post GA 22

| Copyright© 2010 Microsoft Corporation Lync Online Admin GA Tenant level settings Lync Federation (on/off, open federation/specific domains) PIC (windows live only at GA) User level settings Audio/video 1 (Lync-to-Lync and multi-party are controlled together) File Transfer Lync Federation PIC (Windows live only at GA) Dirsync cannot be used to manage these settings – Tenant admin controls settings through Lync Online admin console 23

| Copyright© 2010 Microsoft Corporation Lync Online Attendee and Server Use Rights External/Anonymous attendees DO NOT require a license to participate in Lync meetings 24

| Copyright© 2010 Microsoft Corporation Lync integration with Exchange & SharePoint Exchange Online Exchange Server (on- premises) Lync Online Lync client presence integration IM/Presence in OWA Lync client presence integration Lync Server on- premises Lync client presence integration IM/Presence in OWA Exchange Voice mail integration Lync client presence integration IM/Presence in OWA Exchange Voice mail integration SharePoint Online SharePoint Server (on- premises) Lync Online Lync client presence integration Lync Server on- premises Lync client presence integration Skill search in Lync client 25