(RFC 4662 published August 2006, subtype last updated August 2006) MIME Media Type Name: application MIME subtype name: rlmi+xml Required parameters: None Optional parameters: charset See RFC 3023 [12] for a discussion of the charset parameter on XML-derived MIME types. Since this MIME type is used exclusively in SIP, the use of UTF-8 encoding is strongly encouraged. Encoding considerations: 8-bit text Security considerations: Security considerations specific to uses of this MIME type are discussed in RFC 4662. RFC 1874 [11] and RFC 3023 [12] discuss security issues common to all uses of XML. Interoperability considerations: The use of this MIME body is intended to be generally interoperable. No unique considerations have been identified. Published specification: RFC 4662 Applications that use this media type: This media type is used to convey meta-information for the state of lists of resources within a Session Initiation Protocol (SIP) subscription. Additional information: Magic Number(s): None. File Extension(s): None. Macintosh File Type Code(s): None. Object Identifier(s) or OID(s): None. Intended usage: Limited Use Other Information/General Comment: None. Person to contact for further information: Name: Adam Roach E-Mail: adam&estacado.net Author/Change Controller: The specification of this MIME type is a work product of the SIMPLE working group and was authored by Adam Roach, Jonathan Rosenberg, and Ben Campbell. The IETF has change control over its specification.