Instant Message Delivery Notification (IMDN) for Common Presence and Instant Messaging (CPIM)

Instant Message Delivery Notification (IMDN) for Common Presence and Instant Messaging (CPIM) This document describes a mechanism for instant message delivery notification (IMDN) in the CPIM (Common Presence and Instant Messaging) environment. The mechanism follows the procedures of ESMTP message delivery notification (MDN).