Internet Assigned Numbers Authority Instant Message Disposition Notification (IMDN) Headers Created 2008-12-19 Last Updated 2009-02-18 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registry included below * IMDN Headers IMDN Headers Registration Procedure(s) Specification Required Expert(s) Unassigned Reference [RFC5438] Note URN Prefix: urn:ietf:params:imdn: Available Formats [IMG] CSV Values Reference Disposition-Notification [RFC5438] Message-ID [RFC5438] Original-To [RFC5438] IMDN-Record-Route [RFC5438] IMDN-Route [RFC5438] Licensing Terms