http://www.rfc-editor.org/rfc/rfc5167.txt
RFC 5167: Media Server Control Protocol Requirements, M. Dolly, R. Even2008-03-01T23:00:00-00:00This document presents the requirements for a Media Server Control Protocol (MCP) that enables an application server to use a media server. It will address the aspects of announcements, Interactive Voice Response, and conferencing media services. This memo provides information for the Internet community.