Internet Assigned Numbers Authority Common Presence and Instant Messaging (CPIM) Headers Created 2003-12-15 Last Updated 2004-09-24 Available Formats [IMG] XML [IMG] HTML [IMG] Plain text Registry included below * CPIM Headers CPIM Headers Registration Procedure(s) Standards Action Reference [RFC3862] Note URN Prefix: urn:ietf:params:cpim-headers: Available Formats [IMG] CSV Values Reference From [RFC3862] To [RFC3862] cc [RFC3862] DateTime [RFC3862] Subject [RFC3862] NS [RFC3862] Require [RFC3862] Licensing Terms