1. © 2004 BroadVoice - Proprietary & Confidential Presentation presented to: N10 November 19, 2004

2. © 2004 BroadVoice - Proprietary & Confidential BroadVoice is a privately funded Internet Telephony Service Provider (ITSP) that distributes its service through its own retail brand, agent channels, affinity partnerships and wholesale opportunities. We serve the consumer and business market BroadVoice operates on a “bring your own broadband” model similar to companies like Vonage, AT&T Call Vantage, Lingo and Packet 8 BroadVoice launched its retail service in April, 2004 and today we offer IP telephone service globally with subscribers in 45 countries and all 50 states. We offer a choice of phone numbers in 35 states and 1,500 US cities and towns and 41 cities in the UK. We are growing at a rate of 3,000 lines per month in our 7 th full month of operation. In August, BroadVoice launched a private label test offering with a major US RBOC. That RBOC has recently signed to roll out in all of its service States. Who is BroadVoice

3. © 2004 BroadVoice - Proprietary & Confidential There are many forms of VoIP, not all are created equally IP PBX –Usually premises based –Savings based on productivity, MAC and wiring –Almost always proprietary –Little to no call savings –Players include: Cisco Avya 3 Com IP Centrex –Hosted by the service provider –Savings based on LD, productivity, MAC and sometimes wiring –Standards based (SIP or MGCP) –Players include Vonage GO Beam Verizon BroadVoice What does VoIP mean to you?

4. © 2004 BroadVoice - Proprietary & Confidential Total cost of ownership drivers (left to right): –PBX less than Centrex: PBX costs less than recurring Centrex charges, reduced costs for unbundled access, costlier phones –IP PBX less than PBX: IP PBX shows higher CapEx for equipment, on-net site-to-site calling, costlier CPE for converged voice/data network, but offers improved productivity –IP Centrex less than IP PBX: IP Centrex service charge more than IP PBX cost, converged T1s less vs. PRIs, wider choice for phones, and no costly staff for support, productivity is wash 1 Includes convergence savings 2 Includes local minutes SolutionCentrexPBXIP PBXIP Centrex Voice Equipmentn/a10.2615.07n/a Carrier Voice Services$22.00n/a $29.95 Accessn/a$6.75 $2.34 1 Minutes$23.00 2 $15.00$10.20$0.00 CPE$0.00 $2.95$0.00 Phones$3.52$9.60 $3.52 Staff & Support& & MACs$7.08$8.89 $0.00 Productivity$0.00 ($8.68) Total (w/o productivity)$55.60$50.50$53.46$35.63 Total (including productivity)$55.60$50.50$44.78$26.95 TCO Comparison

5. © 2004 BroadVoice - Proprietary & Confidential Analog Phones Public IP Network Point of Presence Media Gateways IMT Softswitches SS7 Customer Premises Broadband Access Data Center PSTN IADRouterATA KTS PBX PC Clients IP Phones Network Typology Private IP

6. © 2004 BroadVoice - Proprietary & Confidential BroadVoice Plans Unlimited World Unlimited In- State Unlimited Business Monthly recurring Charge$19.95$9.95$29.95 Voicemail / Universal Messaging Included Basic Calling FeaturesIncluded Advanced Calling FeaturesIncluded # from 1,300 citiesChoice Inbound CallsUnlimited In-State calls basedUnlimited Long Distance Calling 21 Countries Unlimited 3.9¢/minUnlimited International CallingLow rates Additional #’s$1.95 / mo Typical ITSP Plans

7. © 2004 BroadVoice - Proprietary & Confidential Value and Features Area Code Selection Local Number Portability E-Mail Call Notify Web and Phone Based Voicemail Real-time Call Detail Online Account Management 24/7/365 Customer Support Caller ID w/ Name Call Waiting w/ Name Distinctive Ring Call Return / *69 Enhanced Call Forwarding Repeat Dialing 1-800 Package Directory Assistance Additional Numbers - Any City Low International Rates Group Messaging Chat Lines Simultaneous Ring Conference Calling Music on Hold Shared Call Appearance E-Fax Outlook Integration Referral Credits Auto Attendant 30 Day Money Back Guarantee Voice Portal Speed Dial 8 and 100 3-Way Calling Universal Voicemail Call Filters Broadband Down Redirect Anonymous Call Reject Basic & Advanced Features that are included: Premium & Value Added Services: “Unlimited” service from $ 9.95 to $ 29.95

8. © 2004 BroadVoice - Proprietary & Confidential SIP enables new services –Presence, Mobility, User preferences Selected for 3G Cellular Shipping with Microsoft OS –Basis of Presence, IM & VoIP in Messenger SIP is the Standard

9. © 2004 BroadVoice - Proprietary & Confidential Business Application Integration CRM, ERP, Web Services, MS Office, Sharepoint Poral, Project Server etc. Devices PC, Laptop, Tablet PC, PDA, Cell phone, pagers Real-time Communication Voice, Video, Data, Text, Wireless, Telecom, Internet Services Conferencing, IM, Presence, Mobility, Sharing SIP Based Services & Applications Converged Applications

10. © 2004 BroadVoice - Proprietary & Confidential Explosion of SIP Endpoints

11. © 2004 BroadVoice - Proprietary & Confidential Typical Analog Telephone Adapter

12. © 2004 BroadVoice - Proprietary & Confidential Move Quickly and Innovate In the near term, we will introduce: –Presence enabled services –Deployment of wideband codec and dynamic codec that covers jitter and packet loss –More integration between home, office and mobile systems Soon after, we will offer: –Innovative multimedia devices –Full vXML IVR with voice recognition in multiple languages –Instant Conferencing and information services Better than PSTN voice quality –Wideband CODECs will provide better audio quality Audio technologies will merge with VoIP –MP3, ring tones and ring back, speech recognition Implementation of SIP-based video BroadVoice was the first VoIP provider in the US to offer a WiFi handset for PSTN calling in partnership with Pulver Innovations Very early, but shows great promise Continued innovation is key to success

13. © 2004 BroadVoice - Proprietary & Confidential Thank You for Your Time David Epstein President 978-418-7310 – Direct 978-418-7410 - Mobile depstein@broadvoice.com