1. The Future of UC, Videoconferencing, and Telepresence—Challenges and Opportunities Eric D. Newton Chief Architect, AT&T Interactive Solutions Mar 2011

4. Proofs of concepts for specific customer needs

6. AVCS/AVGS (videoconferencing)

7. ATS (telepresence)

8. AT&T Connect/UCaaS (UC)

9. PVMS (streaming, rich media)

10. NBFMC (Mobility)Technology Evangelist

11. Cautionary Language Concerning Forward-Looking Statements Information set forth in this presentation may contain financial estimates and other forward-looking statements that are subject to risks and uncertainties, and actual results may differ materially. A discussion of factors that may affect future results is contained in AT&T’s filings with the Securities and Exchange Commission. AT&T disclaims any obligation to update and revise statements contained in this presentation based on new information or otherwise. 3 Safe Harbor Statement

13. Where we need standards

14. What can I do?

15. Hint: get involved!4 Interoperability and Standards Benefit Us All

17. High availability

18. Predictable performance

19. PresenceMobile any network —wired or wireless Broadband single- and multi- codec systems Private VPN fixed and mobile devices hardware and software endpoints

20. The World We Have 6

23. Customers have made investments in solutions that fit specific needs (UC, voice, video)

24. Need assurances they can provide a minimum feature set across these solutions

25. Vendors

26. Increased utility of product or solution

27. Increased value of product or solution

28. Service Providers

29. Easier to provide managed services to customers

30. Easier to extend vendor capabilities8 How We Benefit from Standards

32. Defined security boundaries

33. ITU H.460

34. More elegant NAT/Firewall traversal

35. IEEE 802.3ab (1000BASE-T)

36. No half-duplex (well, almost. . .)9 Where We Benefit from Standards

38. SIP needs feature-parity with H.323

39. Multi-Codec Support

40. Immersive systems do have a place in corporate environments

41. Data Sharing

42. Essential element of experience

43. Encryption

44. 256-bit AES minimum

45. SRTP and digital certificates

46. Presence

47. Voice and video solutions need to participate with UC10 Where We Need Standardization

49. Push vendors and service providers to support standards

50. Vendors

51. Extend standards, not circumvent them

52. Service Providers

53. Embrace standards

54. IMTC Members

55. Participate and support process11 What Can I Do? “You”-nified Communications are what you make them.

56. Thank you for your participation!