Invited presentation at Wainhouse Research annual Conference Service Provider Summit, describing Callvine's approach to the exploding mobile market using a freemium model in which free consumer usage migrates to paid professional usage.

1. The 5 Billion Mobile Market Opportunity: How Consumers Drive a New Market for Conferencing Services Mark Dzwonczyk Chief Operating Officer, Callvine Inc Wainhouse CSP Summit October 12, 2010 Copyright © 2010, Callvine, Inc. All Rights Reserved

2. Mark Dzwonczyk Chief Operating Officer, Callvine Inc Wainhouse CSP Summit October 12, 2010 Copyright © 2010, Callvine, Inc. All Rights Reserved

3. The Mobile Market: What Recession??

4. Growth to 5B subs = +2M subs per day SAN FRANCISO BOSTON AUSTIN = combined population of Boston, San Francisco, & Austin

5. Growth to 5B subs = +80K subs per hour = daily passenger traffic in Logan Airport

6. Smartphones begin to dominate in the US Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

8. US Text Messages approaching US Minutes: 1.8T per year, increasing 33% in 2010 ~5B per day US texts send 14X Library of Congress equivalent in content each year Teens: 50 messages a day Adults: 10 messages a day And, of course, TEXTs Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

9. Will the collaboration industry migrate its services to this market? YES, of course!Major players are adapting theirservices for the new mobility oftheir customers So, what’s next in collaboration market?? Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

11. New Customers

12. New Revenue OpportunitiesBut, perhaps even better:Expand service offeringsto meet new needs for the market.

13. Mobile Professional Work Style Small screen, small keyboard Integrated contacts & calendars Unreliable connectivity & voice quality Multi-tasking (travel) Shorter, more urgent conversations, voice or SMS: Average cell phone call: 100 seconds 3-martini lunchreplaced by 140 characters Key Trends for this Market Opportunity Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

14. Mobile Professional Work Style Small screen, small keyboard Integrated contacts & calendars Unreliable connectivity & voice quality Multi-tasking (travel) Shorter, more urgent conversations, voice or SMS: Average cell phone call: 100 seconds 3-martini lunchreplaced by 140 characters Key Trends for this Market Opportunity Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

15. Mobile Professional Work Style Small screen, small keyboard Integrated contacts & calendars Unreliable connectivity & voice quality Multi-tasking (travel) Shorter, more urgent conversations, voice or SMS: Average cell phone call: 100 seconds 3-martini lunchreplaced by 140 characters Key Trends for this Market Opportunity Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

17. Multi-tasking of work & personal life, including multiple contact & calendar sources

19. Free is a very compelling price! Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential 1999: Fax moved online with free fax-to-email phone numbers. Millions of free subscriptions built the user base to drive today’s ~$250M annual revenue. 2003: Long distance phone calls became free, driving usage for outbound calling to achieve ~$800M revenue (2009).

21. Calendar Integration: Scheduled & Recurring Calls

22. Call Management: pre, during & post call

23. Call Recording & Transcription

24. Support larger groups

25. International dialing, including localization

26. File sharing (document management)

28. Schedule / set up of calls – one-time & recurring

29. Calendar integration

31. Quickly, simultaneously, assemble all participants, simultaneouslyMOBILE APPLICATION

32. Free iPhone App download from iTunes Android & Blackberry coming later this year No registration required: just download & use Group Creation & Management using native iPhone contacts Group Text to unlimited number participants, simultaneously One-Touch Instant Call Dial-out Conferencing is the only method to create an “Instant Group Call” SMS & email also forwarded to participants with stanard dial-in and PIN code information, if necessary Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

33. Free iPhone App download from iTunes Android & Blackberry coming later this year No registration required: just download & use Group Creation & Management using native iPhone contacts Group Text to unlimited number participants, simultaneously One-Touch Instant Call Dial-out Conferencing is the only method to create an “Instant Group Call” SMS & email also forwarded to participants with stanard dial-in and PIN code information, if necessary Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

34. Free iPhone App download from iTunes Android & Blackberry coming later this year No registration required: just download & use Group Creation & Management using native iPhone contacts Group Text to unlimited number participants, simultaneously One-Touch Instant Call Dial-out Conferencing is the only method to create an “Instant Group Call” SMS & email also forwarded to participants with stanard dial-in and PIN code information, if necessary Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

35. Free iPhone App download from iTunes Android & Blackberry coming later this year No registration required: just download & use Group Creation & Management using native iPhone contacts Group Text to unlimited number participants, simultaneously One-Touch Instant Call Dial-out Conferencing is the only method to create an “Instant Group Call” SMS & email also forwarded to participants with stanard dial-in and PIN code information, if necessary Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

36. Free iPhone App download from iTunes Android & Blackberry coming later this year No registration required: just download & use Group Creation & Management using native iPhone contacts Group Text to unlimited number participants, simultaneously One-Touch Instant Call Dial-out Conferencing is the only method to create an “Instant Group Call” SMS & email also forwarded to participants with stanard dial-in and PIN code information, if necessary Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

37. 10-minute calls are free Minimize friction for short, small calls In-App Pre-paid bundled minutes Reinterpret per minute billing with “Group Call” size: prepay per hour based upon groups of 5 (1-5, 6-10, …) iTunes and other In-App pre-payment methods One-number dial-in with auto-routing Scheduled Calls, with full calendar integration Native iPhone calendar integration, including recurence Standard meeting invite sent to all participants Call Dashboard, by participant name Mute, Hold, Hang-Up Add new participant directly from iPhone contacts Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

38. 10-minute calls are free Minimize friction for short, small calls In-App Pre-paid bundled minutes Reinterpret per minute billing with “Group Call” size: prepay per hour based upon groups of 5 (1-5, 6-10, …) iTunes and other In-App pre-payment methods One-number dial-in with auto-routing Scheduled Calls, with full calendar integration Native iPhone calendar integration, including recurence Standard meeting invite sent to all participants Call Dashboard, by participant name Mute, Hold, Hang-Up Add new participant directly from iPhone contacts Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

39. 10-minute calls are free Minimize friction for short, small calls In-App Pre-paid bundled minutes Reinterpret per minute billing with “Group Call” size: prepay per hour based upon groups of 5 (1-5, 6-10, …) iTunes and other In-App pre-payment methods One-number dial-in with auto-routing Scheduled Calls, with full calendar integration Native iPhone calendar integration, including recurence Standard meeting invite sent to all participants Call Dashboard, by participant name Mute, Hold, Hang-Up Add new participant directly from iPhone contacts Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

40. 10-minute calls are free Minimize friction for short, small calls In-App Pre-paid bundled minutes Reinterpret per minute billing with “Group Call” size: prepay per hour based upon groups of 5 (1-5, 6-10, …) iTunes and other In-App pre-payment methods One-number dial-in with auto-routing Scheduled Calls, with full calendar integration Native iPhone calendar integration, including recurence Standard meeting invite sent to all participants Call Dashboard, by participant name Mute, Hold, Hang-Up Add new participant directly from iPhone contacts Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

41. 10-minute calls are free Minimize friction for short, small calls In-App Pre-paid bundled minutes Reinterpret per minute billing with “Group Call” size: prepay per hour based upon groups of 5 (1-5, 6-10, …) iTunes and other In-App pre-payment methods One-number dial-in with auto-routing Scheduled Calls, with full calendar integration Native iPhone calendar integration, including recurence Standard meeting invite sent to all participants Call Dashboard, by participant name Mute, Hold, Hang-Up Add new participant directly from iPhone contacts Callvine Features to Address “Crossover Market” Copyright © 2010, Callvine, Inc. All Rights Reserved Proprietary & Confidential

42. Mark Dzwonczyk Chief Operating Officer Callvine, Inc. mark@callvine.com 650-346-6275 THANK YOU! Copyright © 2010, Callvine, Inc. All Rights Reserved Callvine Confidential