(RFC 6231 published May 2011, subtype last updated May 2011) Type name: application Subtype name: msc-ivr+xml Required parameters: (none) Optional parameters: charset Indicates the character encoding of enclosed XML. Default is UTF-8. Encoding considerations: Uses XML, which can employ 8-bit characters, depending on the character encoding used. See RFC 3023 [RFC3023], Section 3.2. Security considerations: No known security considerations outside of those provided by the Media Control Channel Framework IVR Package. Interoperability considerations: This content type provides constructs for the Media Control Channel Framework IVR package. Published specification: RFC 6231 Applications that use this media type: Implementations of the Media Control Channel Framework IVR package. Additional information: Magic number(s): (none) File extension(s): (none) Macintosh file type code(s): (none) Person & email address to contact for further information: Scott McGlashan Intended usage: LIMITED USE Author/Change controller: The IETF Other information: None.