(RFC 4235 published November 2005, subtype last updated November 2005) MIME media type name: application MIME subtype name: dialog-info+xml Mandatory parameters: none Optional parameters: Same as charset parameter application/xml as specified in RFC 3023 [8]. Encoding considerations: Same as encoding considerations of application/xml as specified in RFC 3023 [8]. Security considerations: See Section 10 of RFC 3023 [8] and Section 7 of this specification. Interoperability considerations: none. Published specification: This document. Applications that use this media type: This document type has been used to support SIP applications such as call return and auto-conference. Additional Information: Magic Number: None File Extension: .xml Macintosh file type code: "TEXT" Personal and email address for further information: Jonathan Rosenberg, Intended usage: COMMON Author/Change controller: The IETF.