1. Company LOGO OMA Presence SIMPLE

2. What is OMA? The Open Mobile Alliance (OMA) is a standards body which develops open standards for the mobile phone industry. OMA creates application level specifications for Presence Service. This includes Presence Information semantics and guidelines for presence applications. These specifications shall be agnostic to the underlying network technology, be it specified by 3GPP, 3GPP2, or other organizations.

3. What is OMA?

4. What is Presence Service?

5. What is Presence Service? What is Presence OMA SIMPLE ? Presence is the service that allows a user to be informed about the reachability, availability, and willingness of communication with another user. SIMPLE - SIP for Instant Messaging and Presence Leveraging Extensions

6. Presence Architecture

7. The Presence Life Cycle

9. Presence Subscriptions and Notifications

10. SUBSCRIBE request

11. NOTIFY request (1)

12. NOTIFY request (2)

13. Publication of presence information

14. PUBLISH request (1)

15. PUBLISH request (2)

16. Example of PIDF

17. The SIP presence data model

19. Example of the timed status extension

23. Example of Capabilities extension (1)

24. Example of Capabilities extension (2)

25. Example of Capabilities extension (3)

26. A subscriber PUA compiles the list of her watchers

28. Example of a presence authorization policy document (1)

29. Example of a presence authorization policy document (2)

33. Partial notification

34. Publication of partial presence information

38. The SIP presence data model

39. The IMS terminal publishing presence information

40. The SIP presence data model

42. The IMS terminal publishing presence information