1. Polycom MGC 25 A New Level In Workgroup Video Conferencing

2. Polycom MGC 25 Small in Size… Great in Performance Compact 2U 19” Chassis Video, Voice, Gateway & Unified Conferencing Functionality Polycom WebOffice Integration Market Leading MGC Feature Set Including Advanced Continuous Presence and Click&View Multi-Network Connectivity Simple Set Up & Installation 10 Preset Configurations

3. Network Systems Solution Menu VideoPlus VoicePlus Unified Conferencing Protocol Gateway WebOffice ApplicationManagementPlatform MGC 100 MGC 50 MGC 25 MGC Manager Web Commander Personal Scheduler Polycom Conferencing Suite

4. A Quick Platform Comparison MGC-25MGC-50MGC-100 Network EnvironmentDistributedDistributed & CoreCore Scalability (video/audio) 3 – 24/48 ports8 – 480 ports8-392/860 ports Shared Resource Environment Yes Resource Redundancy NoYes Power RedundancyNo Yes Expandable SlotsNoYes – 8 slotsYes – 16 slots Firewall/GatewayNoYes

5. Polycom MGC 25 A Plug & Play, Ready to Go Solution Very Simple Installation – –User-friendly LCD & Key Pad – –Self-Guided Interface Advanced Continuous Presence, Transcoding & Click&View Ad hoc Conferencing – –Unified Conferencing - One Number for all Conferences. Integrated Scheduling & Management – –Web-based Scheduling & Management – –Integrated Outlook Scheduling – –Polycom Conference Suite Value Conferencing for Smaller Organizations or Large Organizations with Distributed Requirements

6. Fast Set Up Wizard Simple as 1,2,3 1.Connect to the Wizard 2.Provide IP & Gatekeeper Address 3.Provide ISDN Settings

7. High Value Conferencing At Entry Level Capacities IP 12 IP 16+ & IP 16+ V VoicePlus 24 VoicePlus 48 VoicePlus 24 VoicePlus 48 GW 1 GW 2 GW 1 GW 2 Unified 24 & Unified 24 V ISDN V The MGC 25 provides the best workgroup conferencing solution for any conferencing environment

8. Polycom MGC 25 Supported Applications GW 1&2 ISDN V IP 12 IP 16+ IP 16+V Unified 24 Unified 24V Voice+ 24 & 48 Audio (ISDN) Audio (VoIP) Video (H.320)* Video (H.323)* Audio Transcoding Video Transcoding Software (CP) Hardware (CP) Gateway Multipoint (Video) Multipoint (Audio) * -Voiced switched Video  - H323 Only  - Via Meet-me

9. Polycom MGC 25 Gateways Single PRI for IP to ISDN Sessions 3-5 Sessions @384kbps T1/E1 Up to 12 Sessions @ 128kbps Audio TX included GW 1 Dual PRI for IP to ISDN Sessions 7-10 Sessions @384kbps T1/E1 Up to 12 Sessions @ 128kbps Audio TX included GW 2

10. MGC-25 Gateway - Competition FeaturePolycomRadvisionTandberg Single PRI Gateway Up to 5 @ 384kbps Sessions Yes No Dual PRI Gateway Up to 10 @ 384kbps Sessions Yes No Audio TranscodingYesNo * Competitor’s information is based on publicly available information and is subject to change. Polycom cannot guarantee the accuracy of such information. Tandberg doesn’t have a dial thru gateway solution Radvision gateway doesn’t include audio transcoding

11. Polycom MGC 25 IP Video 12 Video IP @ 384kpbs or 24 Video/VoIP @ 128/64kbps Voice&Video IVR/DTMF Included IP Software CP Included MGC Manager Included Audio Transcoding Included IP 12 16 IP @ 384kbps and 8 PSTN Ports or 24 IP @ 128/64kbps Voice&Video IVR/DTMF Included IP Software CP Included MGC Manager Included Audio Transcoding Included IP 16+

12. Polycom MGC 25 IP Video Versus Competition Feature/ProductPolycomRadVisionTandberg 12 IP @ 384kbps YesYes (MCU 15) 12 IP @ 384kbps Yes (MCU 8/8) 16 IP @ 384kbps + 8 PSTN Ports Yes Yes (Invision E1/P) 12 IP @ 384 + 1 PRI Yes (MCU 16/16) Scheduling IncludedYesNo Scheduling & Adhoc Conferencing YesNoYes Siren 14YesNo H.264*YesNoYes 60 FieldsYesNo People+ContentYesNoYes * Competitor’s information is based on publicly traded information and is subject to change. Polycom can’t guarantee the accuracy of such information.

13. Polycom MGC 25 VoicePlus 24 & 48 24 to 48 PSTN VoicePlus ports Voice IVR/DTMF Unattended & Attended Conferencing MGC Manager Included

14. Polycom MGC 25 VoicePlus 24 & 48 Features Attended Conference Service Unattended Conference Service Ad Hoc Conference Service Integration With WebOffice Full Transcoding Of Audio PSTN Only Conferences Web Browser Based Conference Scheduling And Management Conference Entry Queue With Greeting Invite New Participants To Conference Blast Dial-Out IVR / DTMF Based Conference Management Conference & Chairperson Security PIN Codes Conference Roll call Voting / Polling Question And Answers A Full Featured Audio Bridge at Entry Level Capacity

15. Polycom MGC 25 Unified 24 Maximum of 24 ports in any combination: 16 ports IP @ 384/128/64kbps (VoIP & Video) 24 voice PSTN Up to 10 video ports ISDN @ 384kbps Up to 12 video ports ISDN @ 128kbps Dial Thru Gateway Included Unified Conferencing Suite Audio Transcoding Included MGC Manager Included IP Software CP Included

16. Polycom MGC 25 Unified 24 Versus Competition Feature/ProductPolycomRadVisionTandberg Unified ConfigurationYesNo Unified Conferencing Suite – Voice&Video IVR/DTMF YesNo Radvision & Tandberg do not have a Plug&Play MCU that supports full-featured Audio & Video Conferences on the same platform. * Competitor’s information is based on publicly available information and is subject to change. Polycom cannot guarantee the accuracy of such information.

17. Polycom MGC 25 + Video Processing 1.All the advanced functionality of the MGC-50 & MGC-100 in a plug & play platform 2.You don’t sacrifice features at the work group level 3.Each port is enabled with advanced continuous presence and Click&View Configurations IP 16+ V ISDN V Unified 24 V 27 Continuous Presence Layouts Continuous Presence Visual Effects - Colored Borders - Site Display Names - Speaker Indications - Background Colors Transcoding Click&View Basic+ Continuous Presence Benefits

18. World’s Best Continuous Presence Make Your Conference More Productive

19. World’s Best Continuous Presence Three Levels Of Continuous Presence IP Continuous Presence (Software Based - Standard) – –Two CP layout options: 2 way “side-by-side” or 4 way “quad” layouts – –CP conference capacity up to total IP system port capacity Basic+ Continuous Presence (Hardware Based – Optional) – –Requires one video module port resource to support a conference – –Advanced+, Twenty seven CP layout options Advanced+ Continuous Presence (Hardware Based – Optional) – –Twenty seven CP layout options – –Click&View to change the CP layout for the conference and each conference participant – –Lecture mode – –Automatic changes of CP layouts – –Presentation mode

20. Click&View

21. Multi-Way Transcoding Enables Seamless Connection, Regardless Of Network

22. Packet Commander Makes Video Work In A Data Packet Network

23. Polycom MGC 25 Scheduling And Management Options One Management application for system and operations support – –Support a single or network of MGC platforms from a single application window – –Powerful diagnostic and fault resolution capability down to the DSP level One browser interface to schedule and manage video, voice and unified conferences One IVR/DTMF interface to manage video, voice and unified conferences

24. Polycom MGC 25 Easy Upgrade Path Investment Protection: Start with any MGC 25 configuration Upgrade without buying another box Upgrade Options: Unified 24 GW 1, GW2, IP 12, IP 16+ VoicePlus 24 VoicePlus 48 Unified 24 V IP 16+ V, ISDN V

25. Polycom MGC 25 Small in Size… Great in Performance Compact 2U 19” Chassis Video, Voice, Gateway & Unified Conferencing Functionality Polycom WebOffice Integration Market Leading MGC Feature Set Including Advanced Continuous Presence and Click&View Multi-Network Connectivity Simple Set Up & Installation 10 Preset Configurations

26. Polycom MGC 25 A New Level In Workgroup Video Conferencing