(RFC 4661 published September 2006, subtype last updated September 2006) MIME media type: application MIME subtype name: simple-filter+xml Mandatory parameters: none Optional parameters: Same as charset parameter application/xml, as specified in RFC 3023 [7]. Encoding considerations: Same as encoding considerations of application/xml, as specified in RFC 3023 [7]. Security considerations: See section 10 of RFC 3023 [7] and section Section 8 of this document. Interoperability considerations: none. Published specification: This document. Applications that use this media type: This document type has been used to support the SIP-based Event notification framework and its packages. Additional information: Magic number: None File extension: .cl or .xml Macintosh file type code: "TEXT" Personal and email address for further information: Hisham Khartabil (hisham.khartabil&telio.no) Intended Usage: COMMON Author/change controller: The IETF