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DMDN

Explore the development, design, and implementation details of OMA SIMPLE IM, supporting different communication modes and delivery notifications for an optimal user experience in messaging platforms.

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DMDN

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  1. DMDN draft-stafford-simple-dmdn-00.txt Jerry Shih – Cingular Wireless now the New AT&T

  2. OMA SIMPLE IM Background • Started development in 2004 • Based on IETF SIMPLE IM specs • Detailed design completed in 12-2006 • It is in final review comment resolution • Supports 1-1, 1-n communications • Support page mode, session mode and deferred messaging • Plan to become OMA candidate Service Enabler in June 2007

  3. OMA Taxonomy for IMS-based Messaging

  4. Message Delivery Notification • User is un-aware (doesn’t care) of how message is sent • Delivery notification is important (delivery or read) • Should provide consistent user experience • IMDN is good for Page mode messaging using SIP MESSAGE • Need IMDN-like notification mechanism for session mode messaging such as “Large Message Mode” and “Deferred messaging”

  5. READ Notification for Large Message Mode

  6. Delivery Notification for Session Based Deferred messaging

  7. Conclusion • Need to provide consistent end user experience for message delivery notification • OMA supports Large Message Mode that use MSRP to delivery Page Mode message • OMA supports Deferred Messaging that will store a message for later delivery • IMDN is supported for Page Mode and we need similar mechanism to support both Large Message Mode and Deferred Messaging • Would like to see these requirements refined and published and to find a venue to work on a solution

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