1. © 2010 AudioCodes Ltd. All rights reserved. AudioCodes Confidential Proprietary AudioCodes Solutions for Microsoft Unified Communications 2010 Bruno PEUCH Sales Director

2. H2 20092007 Microsoft UC Release Timeline Exchange 2003 Exchange 2007 Exchange 2010 Live Communications Sever (LCS) 2003 Office Communications Server 2007 (R1) Office Communications Server 2007 R2 Office Communications Server 2010 (W14) 2003H1 20092010

3. Office Communications Server - Media Gateway Variants Office Communications Server 2007 Mediation Server OC Client Media Gateway PSTN / SIP PBX Media Gateway Mediation Server Branch OCSIntel CPUBranch Survivability Basic Gateway √ExternalNoneN/A Basic Hybrid Gateway R1 √√None32bitN/A Basic Hybrid Gateway R2 √√None64bitN/A Branch Office Appliance √√√64bit√

4. Typical Network Layout – Office Communications Server 2007 R2 G.711, SIP/TCP, RTP RTA, SIP/TLS, SRTP Office Communications Server 2007 PSTN Mediation Server Mediant 3000 “Basic” Gateway Mediant 1000 “Basic” Gateway Mediation Server Mediant 2000 “Basic Hybrid” Gateway PSTN PBX Headquarters PBX Branch Office Small Branch Enterprise IP Network

5. Typical Network Layout – Office Communications Server 2010 Office Communications Server 2007 PSTN Mediation Server Mediant 2000 “BOA” Gateway Mediant 1000 “BOA” Gateway PSTN PBX Headquarters PBX Branch Office Small Branch Enterprise IP Network G.711, SIP/TCP, RTP RTA, SIP/TLS, SRTP Mediant 3000 “Basic” Gateway

6. H2 20092007 Investment Protection Exchange 2003 Exchange 2007 Exchange 2010 Live Communications Sever (LCS) 2003 Office Communications Server 2007 (R1) Office Communications Server 2007 R2 Office Communications Server 2010 (W14) 2003H1 20092010 Mediant 2000 (all flavors) Mediant 1000 Basic Gateway Mediant 1000 “Basic Hybrid” & “BOA” Upgrade Chassis & OSN Keep all modules & CPU

7. Stability and Reliability AudioCodes gateways utilize a field-proven, embedded OS “Basic Hybrid” and “Branch Office Appliance” Gateways include a separate host running the Microsoft software only Intel-based, Core 2 Duo Server SIP functions are done on the embedded OS CPU Media functions are done in DSP The result: unmatched stability and reliability

8. Interface Modularity & Scalability MediaPack 11xMediant 1000Mediant 2000Mediant 8000 All Types of Gateways Basic Basic Hybrid Direct Connect Branch Office Appliance All Types of Interfaces FXS/O BRI E1 STM-1 Mixed All Types of Connections OCS -> TDM PBX OCS -> PSTN OCS -> SIP Trunk OCS -> IP-PBX UM ->PBX All Types of Installations Pilot / Demo Headquarters Branch Office SME SMB Mediant 3000 Common Code, Features and Management

9. Worldwide PSTN Homologations Office Communications Server 2010 will be positioned as an IP-PBX BOA Gateways will be connected directly to the PSTN PSTN homologations become mandatory !!! AudioCodes customers can take benefit of our long-time experience AudioCodes Gateways have been deployed in over 100 countries

10. Interoperability Interoperability with numerous TDM PBXs Interoperability with non Microsoft-certified IP-PBXs Quick time-to-market No need to invest in the existing equipment Microsoft UC Network Non-Certified IP-PBXs Other SIP IP-PBX Microsoft SIP Media Gateway More… IP Phones Office Communications Server OC Client E1/T1/BRI/FXO PBX

11. SIP Trunking SIP Trunk 2 TDM Trunk 3 SP 3 PSTN SP 2 IP WAN Soft Switch SIP E1/T1/BRI/FXO PBX Service Provider Networks Media Gateway SP 1 IP WAN SIP Trunk 1 SP 4 PSTN TDM Trunk 4 Microsoft UC Network Office Communications Server OC Client Interoperability with numerous Service Providers Protocol mediation and transcoding Support of SIP Trunking Least-cost routing to multiple PSTN / SIP SPs

12. Redundancy “Crossover Gateway Resilience” Target is to design a network with no single point of failure Utilized AudioCodes’ unique combination of two features: IP-to-IP SIP Routing PSTN Fallback Provides a fault proof network design

13. Active Directory Support Enables phased and easy migration from TDM to UC Call routing based on Active Directory information to TDM PBX, OCS, alternative mobile phone numbers) Enabling redundancy in case of any subsystem failure routing the call to alternative numbers PSTN Office Communications Server OC Client Active Directory LDAP John Ben

14. Drop & Insert Configuration Option 1 – MGW placed between the PBX and the OCS network Upgrade old TDM PBX with expensive trunks Reconfigure PBX routing Drop & Insert – MGW placed between the PBX, the OCS network and the PSTN No change in PBX hardware or software configuration PSTN Fallback support Full investment protection PSTN Office Communications Server 2007 Mediation Server OC Client

15. Survivability Office Communications Server 2007 PSTN Mediant 2000 “Basic” Gateway Mediant 2000 “Basic Hybrid” Gateway Mediant 1000 “Basic Hybrid” Gateway PSTN PBX Headquarters PBX Branch Office Small Branch Enterprise IP Network IP Phones Standard SIP phones register with the gateway to provide service continuity in case of a WAN failure Integrated Stand Alone Survivability (SAS) agent in the gateway Support for PSTN breakout and emergency call routing to PSTN

16. Overlay Fax Network Office Communications Server 2007 PSTN Mediation Server Mediant 3000 “Basic” Gateway Mediant 1000 “Basic” Gateway Mediation Server Mediant 1000 “Basic Hybrid” Gateway PSTN Headquarters Branch Office Small Branch Enterprise IP Network MediaPack 124 “Basic” Gateway 3 rd Party Fax Server

17. The integral solution for Unified Communications Unified Communications Voice (mail) Email Presence IM FAX SMS MMS “Single Box” Integration into existing UC environment Simplify Consolidation Centralized Administration MS Exchange Voice Presence FAX/ Email/ Voice/ Presence SMS MMS FAX VOICE

18. Add the missing pieces to your Unified Communications! With AudioCodes and Fenestrae!

19. Legacy IP-Phone Support – AudioCodes SIP Phone Support The challenges: Microsoft-compliant IP Phones are more expensive Microsoft-compliant IP-Phones require a BOA for survivability SMEs are looking for a cheaper alternative for an IP Phone Enterprises want to use their existing SIP phones installed base The Solution: AudioCodes IP Phone Support Integrated into AudioCodes BOA gateways or supported as a standalone server Based on Microsoft standard APIs Enables any SIP-compliant IP Phone connectivity into Office Communications Server Inherently supports the AudioCodes 300HD High Definition, cost effective IP Phones Inherently supports Stand Alone Survivability (SAS) for small remote branches, without requiring a BOA gateway

20. Legacy IP-Phone Support Office Communications Server 2007 PSTN Mediant 2000 “Basic” Gateway Mediant 2000 “BOA” Gateway W/SIP Phone Servery Mediant 1000 “BOA” Gateway W/SIP Phone Server PSTN PBX Headquarters PBX Branch Office Small Branch Enterprise IP Network IP Phones SIP Phone Server Enjoy the demo

21. Investment Protection Capital expenses savings and network design simplification Interface Modularity & Scalability Support of different flavors of PSTN trunking (E1/T1/BRI/FXO) and FAX / analog phones connections in the same gateway Worldwide PSTN Homologations Direct PSTN connection in any country Wide interoperability list with PBX and IP-PBX vendors Easy connection to any PBX (IP to TDM) or IP-PBX (IP to IP) SIP Trunking Operation cost saving using SIP Trunking connectivity to Service Providers Redundancy Crossover Gateway Resilience Active Directory Phased and easy migration from TDM to UC Direct connectivity for legacy analog devices Maintaining investment in existing phones, fax machines & Modems Drop & Insert configuration Savings in expensive legacy PBX upgrade and maintenance Survivability Support for SIP phones backup during WAN failures Legacy IP Phones Support Supporting existing and new cost-effective non- Microsoft certified IP Phones Stability Maximum gateway Stability and Performance, as a result of the use of an embedded OS Remember why AudioCodes NEW

23. 4001400240044003 5-port Switch Soft-Phone HD 320 Linksys Office Communicator OCS + SPS ac1ac2ac4ac3 AudioCodes SPS Demo set-up