1. PathNavigator April 2002 Prafull Nayak Sr. Manager

2. Video Deployment Concerns How Do I Make Video Communications Easier for End Users? How Do I Make Video Communications Easier for End Users? How Do I Control Costs of Video Communications? How Do I Control Costs of Video Communications? How Do I Ensure Call Reliability? How Do I Ensure Call Reliability? How Do I Manage This Video Application? How Do I Manage This Video Application? How Do I Provide IP Communications in a Secure Manner? How Do I Provide IP Communications in a Secure Manner? How do I Ensure the Video Data Does Not Consume All the Available Network Bandwidth? How do I Ensure the Video Data Does Not Consume All the Available Network Bandwidth?

3. Product Overview Polycom OneDial TM Feature Polycom OneDial TM Feature Automatic Routing Automatic Routing Least Cost Routing Least Cost Routing Alternate Routing Alternate Routing Voice Telephony Integration Voice Telephony Integration Simplified Deployment and Management Simplified Deployment and Management Increased Security Increased Security Software Application that resides on a Windows NT or 2000 Server Software Application that resides on a Windows NT or 2000 Server

4. Internal IP Address Internal IP Address External IP Address External IP Address ISDN Number Routing E.164 Number H.323 ID EMAIL Address URL WINS/DNS Provisioning The Core of a Call Processing Server Gatekeeper Addressing Intelligent Network Routing Engine The embedded gatekeeper can either replace or work as a neighbor to a standard gatekeeper

5. Polycom Accelerated Communications (PAC) Architecture TerminalsSystemManagementConferenceManagement Call Control NetworkInfrastructureTerminalsSystemManagementConferenceManagement NetworkInfrastructure ViewStation, ViaVideo, SoundStation ®, iPower, SoundPoint ®, VoiceStation ViewStation, ViaVideo, SoundStation ®, iPower, SoundPoint ®, VoiceStation Global Management System System Global Management System System WebCommanderWebCommander Directory Services (from GMS) PathNavigatorPathNavigator MGC-100 MCU, Gateway

6. Polycom OneDial TM Feature Works Like a Phone Works Like a Phone 4-Digit Internal Dialing 4-Digit Internal Dialing 9 Dialing for External Gateway Calls 9 Dialing for External Gateway Calls Conference On-Demand Conference On-Demand Multipoint Calls Initiated by the User Without the Need for a Conference Administrator Multipoint Calls Initiated by the User Without the Need for a Conference Administrator Transparent Complex Call Routing Transparent Complex Call Routing

7. Polycom OneDial TM – How it Works Option 1: Choose a Name from the Global Directory Option 1: Choose a Name from the Global Directory PathNavigator Automatically Routes Calls Over IP, ISDN, through Gateways, or Whatever is Required PathNavigator Automatically Routes Calls Over IP, ISDN, through Gateways, or Whatever is Required PathNavigator Automatically Adds or Removes Area Codes, International Dialing Prefixes and Country Codes PathNavigator Automatically Adds or Removes Area Codes, International Dialing Prefixes and Country Codes Option 2: Dial A Number Like a Phone Option 2: Dial A Number Like a Phone 4-Digit Extension for Internal Calls, or Dial 9 for Outside (Gateway) Calls 4-Digit Extension for Internal Calls, or Dial 9 for Outside (Gateway) Calls No Gateway Call Prefixes Required Regardless of the Speed of the Call Dialed No Gateway Call Prefixes Required Regardless of the Speed of the Call Dialed

8. The Power of The Intelligent Network Routing Engine Least-Cost Routing Least-Cost Routing Finds and Selects Lowest Cost Resources Automatically – Networks and Gateways Finds and Selects Lowest Cost Resources Automatically – Networks and Gateways Alternate Routing Alternate Routing Alternate Routing Auto-Selects ISDN Routing Where IP Bandwidth is Not Available Alternate Routing Auto-Selects ISDN Routing Where IP Bandwidth is Not Available Automatically routes calls to best resources Automatically routes calls to best resources Finds Users Regardless of Location Finds Users Regardless of Location Resources Utilized According to Bandwidth Availability, Policy and RAI/RAC Resources Utilized According to Bandwidth Availability, Policy and RAI/RAC Routes Within as Well as Outside the Enterprise Routes Within as Well as Outside the Enterprise Support for Remote Users on the VPN Support for Remote Users on the VPN PathNavigator

9. Originator Conference On-Demand ViaVideo, single-point ViewStations, and iPower systems will be able to dial multiple endpoints ViaVideo, single-point ViewStations, and iPower systems will be able to dial multiple endpoints Turns every endpoint into a multipoint system Turns every endpoint into a multipoint system End user selects names from the directory or enters numbers/names manually End user selects names from the directory or enters numbers/names manually PathNavigator communicates directly with Polycom MGC (MCU) resources in the enterprise PathNavigator communicates directly with Polycom MGC (MCU) resources in the enterprise GW* MCU * The GW is built-in with the MGC

10. IP Bandwidth not available Alternate Routing SF NY If the IP connection is not available, an alternate route can be automatically utilized Alternat e ISDN Path GW

11. NY Least Cost Routing Cross Country ISDN Call (expensive) Local ISDN Call (cost- effective) Route Long Distance Over the Enterprise WAN to Save Money SF/NY WAN NY GW SF

12. MGC Audio GW called Cell Cell Phone Regular ISDN Call to You GW MGC PathNavigator You Call Forwarding Caller Forward endpoint to any audio/video # When forwarded, PathNavigator automatically redirects

13. Voice Telephony Integration Call Forwarding to Voicemail or Cell Phone Call Forwarding to Voicemail or Cell Phone Enables Voice Messaging When User Is Not Present or Universal Access Via Cell Phone Enables Voice Messaging When User Is Not Present or Universal Access Via Cell Phone Hunt Groups Hunt Groups Enables Video Call Center Capability Enables Video Call Center Capability Join or Leave Hunt Group from the Endpoint by Using the Standard Endpoint Dialing Interface (RAS) Join or Leave Hunt Group from the Endpoint by Using the Standard Endpoint Dialing Interface (RAS)

14. PathNavigator

15. 1 2 3 1 2 3 1 2 4 PathNavigator vs. Gatekeeper *Polycom OneDial capabilities enhance Polycom and non-Polycom endpoints

16. Policy Management – Network Topology Based LAN and WAN Settings LAN and WAN Settings Controls bandwidth passing through particular segments of the video network Controls bandwidth passing through particular segments of the video network Max Bandwidth Max Bandwidth Max Bit Rate Per Call Max Bit Rate Per Call Endpoint Address Ranges That Should Be Registering With This PathNavigator Endpoint Address Ranges That Should Be Registering With This PathNavigator Country Code, Least Cost Routing Table Country Code, Least Cost Routing Table Defaults for: Policy Group, ISDN Ranges to Assign (DID), E.164 Ranges to Assign Defaults for: Policy Group, ISDN Ranges to Assign (DID), E.164 Ranges to Assign

17. SF LAN Max Video: 50 Mb Max Call: 1.5 Mb SF LAN Max Video: 50 Mb Max Call: 1.5 Mb LA LAN Max Video: 10 Mb Max Call: 768 Kb LA LAN Max Video: 10 Mb Max Call: 768 Kb NY LAN Max Video: 25 Mb Max Call: 1.5 Mb NY LAN Max Video: 25 Mb Max Call: 1.5 Mb LAN Settings Network Topology Policy Group Settings Red-128 Kb Yellow-384 Kb 9 Mbit Pipe 4 Mbit Pipe Max Video: 2 Mb Max Call: 128 Kb Max Video: 4 Mb Max Call: 384 Kb Max Video: 4 Mb Max Call: 512 Kb WAN Settings

18. Simplified Deployment and Management (contd) Diagnostics and Event Logging Diagnostics and Event Logging Customizable Diagnostic Levels Customizable Diagnostic Levels Global Global Per Endpoint Per Endpoint Per Call Per Call Call Detail Record (CDR) Call Detail Record (CDR) Usage Details Logged Per Call for Each Endpoint Usage Details Logged Per Call for Each Endpoint Enables Internal Billing or Usage Reporting Enables Internal Billing or Usage Reporting Collects: date, time, duration, speed, number/address, direction Collects: date, time, duration, speed, number/address, direction Network Performance Reporting and Monitoring Network Performance Reporting and Monitoring Real-Time and Historical Analysis of Video Performance Across the LAN and WAN Real-Time and Historical Analysis of Video Performance Across the LAN and WAN

19. Increased Security Rogue IP Video Detection Rogue IP Video Detection Call Requests to or From an Unregistered Endpoint are Flagged and/or Denied Call Requests to or From an Unregistered Endpoint are Flagged and/or Denied Registration Attempts from Rogue Endpoints Are Flagged Registration Attempts from Rogue Endpoints Are Flagged NAT Confidentiality NAT Confidentiality Internal NAT IP Addresses Are Not Accessible Or Sent Outside The Enterprise if Not Desired Internal NAT IP Addresses Are Not Accessible Or Sent Outside The Enterprise if Not Desired

20. Polycom Integration Features Value-Add Features With Polycom Products Value-Add Features With Polycom Products Enables Conference On-Demand from Endpoints Enables Conference On-Demand from Endpoints Simplified Dialing with Accord Product Gateways Simplified Dialing with Accord Product Gateways Automatically Configure Polycom Endpoints for Polycom OneDial on IP or ISDN Networks Automatically Configure Polycom Endpoints for Polycom OneDial on IP or ISDN Networks Endpoints Seamlessly Setup Call Forwarding Endpoints Seamlessly Setup Call Forwarding Automatic use of Accord Firewall/Gateway for Inter-Enterprise IP Dialing (Phase 2) Automatic use of Accord Firewall/Gateway for Inter-Enterprise IP Dialing (Phase 2)

21. Support for 3 rd Party Products PathNavigator Uses Industry Standards to Ensure Interoperability with Third-Party Products PathNavigator Uses Industry Standards to Ensure Interoperability with Third-Party Products Any video endpoints can register (IP or ISDN) Any video endpoints can register (IP or ISDN) Gatekeepers – can be deployed as neighbor gatekeepers Gatekeepers – can be deployed as neighbor gatekeepers MCUs MCUs Gateways Gateways

22. Summary of Key Benefits User Benefits User Benefits Increased User Satisfaction Increased User Satisfaction Works Like a Phone Works Like a Phone Conference On-Demand Conference On-Demand Increased Call Reliability Increased Call Reliability Voicemail Integration or Cell Phone Forwarding Voicemail Integration or Cell Phone Forwarding IT/Admin Benefits IT/Admin Benefits Policy-based Bandwidth Control Policy-based Bandwidth Control Least-Cost Routing Least-Cost Routing Simplified Deployment Simplified Deployment Intelligent Resource Management Intelligent Resource Management Increased Security Increased Security