1. Avaya Communication Server 1000 Evolution to Collaborative Communications Chris Taylor, P.Eng. Senior Product Manager Jan 31, 2012

2.  Avaya Vision  Business Challenges  IMS for Enterprise and Avaya Aura®  Avaya CS 1000 Integration with Avaya Aura®  Avaya CS 1000 Release 7.5 Value Proposition  Evolution Paths and Promotional Offers Agenda © 2011 Avaya Inc. All rights reserved. Avaya Confidential - NDA2

3. Business Events Empowering each moment of collaboration Business Results Deliver effective Business Collaboration, bringing the right people together with the right information in the right context, to deliver better business results in real time 3 © 2011 Avaya Inc. All rights reserved. – NDA Analyst Briefing

4. Cloud Virtualization Worker Productivity Device & Application Consumerization Business Intelligence Social Networking Why Avaya Aura? Business Challenges! “To support today’s business challenges, a new architecture for communications is required” Zeus Kerravala Yankee Group 4 Avaya Inc. - Confidential. Use pursuant to the terms of your signed agreement or Avaya policy.

5. Traditional architectures won’t work 5 Applications Connections Access ISDN and TDM Integrated Stack H.323 2-Tier UniStim Applications Connections Access 3-Tier (IMS-Like) SIP Presence Apps Connections Access Apps 3-Tiered Approach Delivers Flexibility… © 2011 Avaya Inc. All rights reserved. Legacy TDMIP TelephonyCommunications Core

6. 6 PSTN  Limited Scope  Multi-Location  Multiple Systems  Lack of Geo-Redundancy  Resources bound to PBX  Scalability  Very Limited Mobility  Large Footprint  Primarily Designed for Voice  PBX owns entire user experience  Devices are tightly bound to PBX  Devices are unsophisticated  New Services  Upgrade  Single Vendor  Application Integration Limitations The Legacy TDM PBX Park ApplicationsConnections Access

7. 3-tier architecture enables collaborative communications © 2011 Avaya Inc. All rights reserved. Avaya Confidential - NDA7 User Experience Access Connections Applications Administration Voice / Video Services Presence Services Contact Center ConferencingMessaging Business Applications Application Integration Session Management Additional Apps…

8. Avaya’s 3-tier architecture – Avaya Aura® © 2011 Avaya Inc. All rights reserved. Avaya Confidential - NDA8 Clients and Devices Communications Infrastructure Data Infrastructure Desktop and Mobile Devices Avaya Flare Experience, and one-X ® Clients Video Endpoints Session Manager System Manager Voice/Video Services Presence Services Application Integration Core Communication Services Communications Applications Avaya Agile Communications Environment ACE Avaya Aura Messaging Avaya Aura Conferencing Avaya Aura Contact Center

9. 9 PSTN  Primarily Designed for Voice  PBX owns entire user experience  Devices are tightly bound to PBX  Devices are unsophisticated  New Services  Upgrade  Single Vendor  Application Integration Limitations  Limited Scope  Multi-Location  Multiple Systems  Lack of Geo-Redundancy  Resources bound to PBX  Scalability  Very Limited Mobility  Large Footprint Session Manager Application Platform App o o o App Avaya Aura® leveraging a 3-tier architecture Park SIP Presence Apps Connections Access Apps

10. 10 Avaya Aura® is a 3-tier architecture Connection Layer Access Layer Session Manager Application Layer Avaya Messaging System Manager Service Provider PSTN/Mobility SIP Trunks Unified Messaging Multimedia Conferencing Context Center Self Service Contact Recording Quality Monitoring Feature Server ACE / Service Oriented Architecture Microsoft OCS / Exchange IBM Sametime one-X Mobility Business Continuity Voice / Video Presence IM Advanced SIP Applications Sequenced Applications Road Warriors, Branches, etc Service Provider PSTN/Mobility Park CS1000E

11. Communication Server 1000 Release 7.5 “The Integration Release” © 2011 Avaya Inc. All rights reserved. Avaya Confidential - NDA11

12. Communication Server 1000 Evolution Meridian 1 Communication Server 1000 Release 7.0 Software / COTS Communication Server 1000 Release 7.5 12  More Open, Simple and Secure  Increased Scalability to 40,000 Users per Server  Full SIP - Line, Trunk, Video, Media, Mobility  Software Centric with LINUX and COTS  Geographic Redundancy and Resiliency  Avaya Aura® Integration

13. CS 1000 Upgrade & Evolve Path Release 7.5 Avaya Aura® integration Single SIP routing engine Consolidated mgmt platform Hybrid network support for advanced telephony features Single presence / IM server for hybrid network Release 5 or earlier Release 7.0 Avaya Aura® interoperability Enhanced Scalability for Multi-Site Centralization Cost Effective UC for Mid-Market SIP Network Access Improvements Building Increasing Value for CS 1000 Customers Release 6.0 Large Multi-Site Centralization Security Enhancements Simplified Management CS 1000 Release 7.5 Solution Value Significant cost advantage over “Rip & Replace” Evolutionary path for customers to retain current investment while gaining value Enables smooth migration to Session Manager through replacement of NRS Significant incremental value to customer with access to Avaya Aura® Applications CS 1000 Release 7.5 Solution Value Significant cost advantage over “Rip & Replace” Evolutionary path for customers to retain current investment while gaining value Enables smooth migration to Session Manager through replacement of NRS Significant incremental value to customer with access to Avaya Aura® Applications 13

14. CS 1000 Release 7.5 The Integration Release  What is it? –Enables CS 1000 customers to integrate and leverage the Avaya Aura® applications and services  Why does it matter? –Provides CS 1000 investment protection with an easy transition to Avaya Aura® when appropriate –Ability to have a heterogeneous network sharing capabilities across the network  Key Features –Common SIP based network routing engine for heritage Nortel and Avaya customers –Consolidated management platform for entire Avaya portfolio –Feature rich interworking between CS 1000 and CM users (SIP Peering) –Direct SIP connectivity to Avaya Aura® Messaging, Avaya Aura® Conferencing 14 Integrate into Avaya Aura® CS 1000 TDM & IP Phones Session Manager System Manager Presence Services Voice/ Video Services Avaya CM

15. CS 1000 Release 7.5 Content Summary 15 Avaya Aura® Integration Content  Avaya Aura® Session Manager 6.1 - replacing NRS  Avaya SIP Peering - CS 1000 Peer Interworking with Avaya Aura®  Converged Management Solution - UCM/System Manager 6.1  Support for Application Sequencing - Extended Local Calls  CS1000 use of Avaya Aura® Presence Server  Support for One-X® Communicator Client (voice & video)  Support for One-X® Mobile Lite Client on I-Phone  Integration of CS 1000 IP Media Services with the Avaya Aura Media Server  Support for Avaya Aura® Conferencing  Support for Avaya Aura® Messaging  Support for SIP Line TLS and sRTP  G.722 codec support Other Enhancements  SIP ACD for IVR  Microsoft OCS and IBM Sametime Integration - interoperability  PI PEP Integration in 7.5 Feature Rich Interworking Consistent User Experience Across Mixed Environments Simplified Management Lower Operational Costs Access to next-generation Avaya Aura® applications, anywhere, anytime Increased Employee Productivity and Greater Customer Responsiveness

16. CS 1000 Release 7.5 and Avaya Aura® Unique Integration SIP PSTN 16 Collaboration Solutions Collaboration Solutions Application & Services Integration Voice/Video Services Presence Services Session Manager UCM / System Manager Interaction Solutions Interaction Solutions Performance Analytics Performance Analytics Avaya Agile Communication Environment (ACE) Session Border Controller Multimedia Application Services Key Benefits -Feature Rich Applications – Avaya Aura Messaging Avaya Aura Conferencing, Sequenced Apps, ACE, UC, Presence, One X, MAS, NGCC -Common web based Management platform -Solution for all installed base segments -Full SIP MCDN support between CS 1000 systems -Rich SIP Peering with CM -Ongoing Evolution through Avaya Aura® What is It? -Upgraded M1/CS 1000 becomes an Integrated Access Element Unique I in Avaya Aura® -Direct SIP connectivity to UC applications -Session Manager replaces Network Routing Server (NRS) Communication Manager NG Unified Messaging Meeting Exchange NG Context Center Microsoft applications IBM applications Heritage Nortel Applications Heritage Nortel Applications SIP SIP CTI Presence Implicit User CS 1000 R7.5 Integrated Access Element CS 1000 R7.5 Integrated Access Element

17. Session Manager 6.1 Combine NRS benefits into SM  NRS SIP capabilities incorporated into Session Manager 6.1 –Key CS 1000 SIP functionality of NRS incorporated into Session Manager –Enables SIP Peering between CS 1000 and CM –Full MCDN/SIP passed between CS1000 nodes Key Benefits –Simplified and centralized SIP routing from a single management tool & database –Improved Scalability, Redundancy & Resiliency –Centralized numbering/dialling plan via Aura SIP core –Integrate via SIP with broad range of Avaya SIP-ready applications –Optimized access to centralized & distributed Avaya Aura® applications –Centralized access to SIP Carriers  Migration from NRS to SM 6.1 –Database migration tool available –Migration support for customers with multiple NRSs Session Manager CS 1000 17

18. Application & Services Integration Communication Manager (FS) Presence Services Session Manager UCM / System Manager Avaya Agile Communication Environment (ACE) Multimedia Application Services NG Unified Messaging Meeting Exchange NG Context Center Avaya SIP Peering one-X Portal one-X Mobile CS 1000 Communication Manager (ES) Communication Manager o o o Mobile-X clients PSTN clients one-X® clients TDM clients UniStim clients SIP clients Avaya Aura SIP clients Wireline/ Wireless Carrier Wireline/ Wireless Carrier  SIP Peering between elements for CS 1000 and Communication Manager – CS 1000 defined as a peer system to CM Key Benefits – Enabling common telephony feature interworking between CS1000 and CM systems – IM & Presence across all sites and all users 18

19. Converged Management Solution UCM integrated into System Manager 6.1  Migrating to a single unified management environment – Common Element Manager strategy Key Benefits – Single centralized administration, authentication for secure and simple network administration – Web based integrated management enables centralized management simplifies operations and improves efficiency and security – CS1000 7.5 Applications in System Manager 19  A single server running both UCM and System Manager will act as a UCM Primary Security Server – A UCM+SMGR server will be installed with applications required to manage the member server(s) in the security domain R6.0 + – Logging module (OAM logs and application logs) takes advantage of System Manager Logging capabilities

20. Subscriber Manager Avaya Aura® Presence Solution CS1000 IM/Presence  Enabling Avaya Aura® Presence Services 6.1 and System Manager 6.1 to deliver IM and presence to CS 1000 users –System Manager leverages Subscriber Manager –Presence Services 6.1 enables IM/P to all CS1000 users Key Benefits –Avaya Aura® Presence Solution delivers IM and Presence to all CS 1000 users –Enables federation across CS 1000 and CM users across the network regardless of line type  Avaya One-X® Communicator client for IM/Presence –One-X replaces 3456 UC Client –SIP Line for Voice and Video –IM and Presence client –Point to point Video –Can also act as simple IM/P client for non-SIP line users Avaya Aura Presence Services 6.1 Presence Engine Instant Messaging Session Manager CS1000 Publishes Telephony Presence to PS One-X® Communicator. SIP Line to CS1000 One-X® Communicator XMPP to PS 6.1 for IM and Presence System Manager MGC with DSP DB CS1000E CPPM–Call Svr. CPPM–Sig. Svr. SIPL MGC with DSP DB CS1000E CPPM–Call Svr. CPPM–Sig. Svr. MGC with DSP DB CS1000E CPPM–Call Svr.CPPM–Call Svr. CPPM–Sig. Svr.CPPM–Sig. Svr. SIPL 20

21. Avaya one-X® Communicator 6.1 Voice and Video  Supported on CS 1000 R7.5 and MS Windows PCs Key Benefits –Delivering presence capability to any CS 1000 phone type user –More functionality, more collaboration, more productivity  Over 30 CS 1000 SIP line functionality supported –Telephony and Mid-Call features (hold, transfer, etc.) –Local contact list –Call logs –Message waiting indicator (MWI) –Click-to-call from browsers (IE or Firefox) –Audio conferencing –Point-to-Point video (H.264) –Search/display corporate or personal directories –Busy State/Presence status updates 21

22. One-X Mobile Lite for iPhone  One-X® Mobile Lite solution for compatible OS3/4 iPhones Key Benefits –Avaya Aura® Presence status updates for CS 1000 iPhone users –Toll avoidance on long distance calls significantly reduces Enterprise mobility costs  Mobile GUI for CS 1000 Mobile Extension feature eliminates manual keypad entry –Service access dialing –Feature code dialing –Corporate directory/contacts search & click-to-call –Mobile number privacy – office CLID displayed for iPhone calls –Single number reach – iPhone rings with deskphone –Single button feature activation –Cellular voicemail avoidance  CS 1000 CDR for mobile calls 22

23. Media Services CS 1000 and Avaya Aura® Media Services Integration Application & Services Integration Voice/Video Services Presence Services Session Manager System Manager Avaya Media Server  Integrating CS 1000 and Avaya Aura® Media Services solution  Enabling delivery of common shared media resource between CS 1000 and CM – Ad-hoc conference, IP Attendant – Music, Announcements, Tones  Key Benefits – Avaya Aura® Presence status updates for CS 1000 iPhone users – Delivery of IP Media services any where in the network – Consistent user experience with high quality voice, rich feature availability – Reducing Customer’s Total Cost of Ownership – Reduces CS 1000 hardware costs (MIRAN, DSP) and network bandwidth costs CS 1000  Session Manager administered  Centralized or distributed network based services  Flexible and efficient floating license model  Geographically redundancy / Failover resiliency 23

24. Avaya Aura® Conferencing Supported in CS1000 R7.5 24  Delivering next generation conferencing solutions to the CS 1000 installed base – Direct connectivity to CS 1000 or via SM 6.1 – Avaya Aura® Conferencing 6.0 Standard Edition – Meeting Exchange 5.2 Enterprise Edition Key Benefits – Simplifying conferencing solution while improving user experience – Better voice quality for global calls and reduce max ‘mouth to ear’ delays – Reduces WAN traffic on global calls and toll charges  Avaya Aura® Conferencing Benefits for CS 1000 – Native Avaya Web Conferencing, as well as MSFT / IBM / Adobe UC integrations – Scale and resiliency – per conference call, per system – Centralized bridge for multi-location deployments – Designed to cascade over globally dispersed bridges – Keeps “in theater” conferences local

25. Avaya Aura® Messaging Supported in CS1000 R7.5  Delivering next generation Messaging solutions to the CS 1000 installed base – Direct connectivity to CS 1000 or via SM 6.1 – Avaya Aura Messaging 6.0 – Modular Messaging 5.2 Key Benefits – Providing common consistent messaging solution for users anywhere, anytime – Simplified administration with lower messaging infrastructure costs Avaya Aura® Messaging benefits for CS 1000 – Rich features, multivendor web collaboration and user flexibility – Greater scale and resiliency – Integrate Avaya one-X® Speech to easily manage your messages with verbal directions  CallPilot 5.0 available to existing CS 1000 systems 25

26. CS 1000 Release 7.5 and Avaya Aura® A Compelling Value Proposition  CS 1000 evolution and integration with Avaya Aura®  Key Values for Meridian 1 / CS 1000 customers –Session Manager – highly scalable and robust network architecture with cost savings from consolidation, advanced routing capabilities. – Avaya Aura® Conferencing – Feature rich, multimodal, centralized collaboration services, scalability –Avaya Aura® Messaging – Next generation centralized unified messaging –Avaya Aura® Presence solution – Feature rich IM & presence solution spanning Nortel/Avaya heritage base customers and federation with MSFT/IBM, solution including telephony state for CS 1000 users –One-X® Communicator Client – Feature rich, common client experience for soft & mobile clients, twinned (same phone number) for M1/CS 1000 desktops –System Manager/UCM – common, feature rich management tools with centralized deployment model.  Upgrade to current for best support/services lifecycle CS 1000 integrated into Avaya Aura® CS 1000 Session Manager System Manager Presence Services Voice/ Video Services Avaya CM 26

27. CS 1000 Evolution Paths Enabling Promotions for Every Path © 2011 Avaya Inc. All rights reserved. Avaya Confidential - NDA27

28. CS 1000 Strategy A Path for Every Customer Technology Refresh Upgrade & Evolve

29. 29 Customer Value: Avaya Aura® interoperability Improved multi-site centralization Cost effective UC for mid-market Customer Value: Avaya Aura® integration Single SIP routing engine Consolidated mgmt platform Hybrid network support for advanced telephony features Single presence / IM server for hybrid network Customer Value: Continued integration with Avaya Aura® enabling advanced user services and capabilities Avaya Flare / ADVD / AVCS with Avaya Aura® core Simplified path forward with investment protection CS 1000 R7.5 CS 1000 R6.0 & R7.0 CS 1000 Evolution © 2011 Avaya Inc. All rights reserved. CS 1000 Evolution

30. Avaya Aura ® Roadmap CS 1000 Evolution Today12 Months18-30 Months SIP- based Access CS 1000 R7.5 CS 1000 Evolution Session Manager System Manager CS 1000 Meridian upgrade  Continued integration with Avaya Aura  Flare™ Experience  Avaya Aura advanced user services Integration with Avaya Aura ® Application & Services Integration Voice/Video Services Presence Services Session Manager System Manager Extend value with Avaya Aura ®  Compelling ROI  User Experience  Common Applications

31. JUMP Target: M1 /CS1000 R3 and earlier Full Service Delivery 3 year contract, includes “core” upgrade to CS1000 R7.5 and Call Pilot 5.x Migrate legacy EOL base into supported release and maintenance via annuity payments Compelling Programs & Promotions Available Now in US Targeting CS 1000 with Avaya Aura © 2011 Avaya Inc. All rights reserved. ASIPP Target: M1 /CS1000 under transition to Avaya Aura applications Loyalty credit for customers’ software investments. Save 35-80% when upgrading like-to-like software Keep competition out when your customer wants a Tech Refresh Avaya Software Investment Protection Policy CS 1000 Evolution Target: CS1000 customers Upgrade to R7.5 now with Session Manager and System Manager Discounts on upgrades, endpoints Discounted PASS and SRS Buy now, don’t wait No expiration Expires Sept 30, 2012 Joint Upgrade & Maintenance Promo Expires April 30, 2012 New

32. CS 1000 path forward  Step 1: Lower back end operational costs –Consolidate routing, dial plans and administration by upgrading to CS 1000 release 7.5 and leveraging Avaya Aura Session Management –Implement survivable branch solutions that can be managed and maintained centrally  Step 2: Add new functionality for user and consolidate core applications –Messaging with new access capabilities –Conferencing with multi-media functionality –Mobile solutions for anywhere access –Consolidated administration through Avaya Aura System Manager  Step 3: Introduce new capabilities and an improved user experience –Collaboration services on iPADs, Windows, SIP endpoints etc. –Introduce collaborative communications like the Avaya Flare Experience © 2011 Avaya Inc. All rights reserved i. Avaya Confidential - NDA32

33. © 2011 Avaya Inc. All rights reserved.