Office Communications Server 2007 R2 does not support customization of voice prompts and music. For example, you cannot replace default media files that play while conference participants are on hold with your own recorded welcome message or with music that you select. Office Communications Server 2007 R2 Conferencing Attendant cannot control a customized audio file to make sure that the workflow for the conference participant logon functions correctly for dial-in audio conferencing. If you have a strong business need that requires you to change the default voice prompt or music file, you can follow the steps in this article to customize the media files.
