Definitions for "Presentation Mode"
the mode in which all members of a conference are muted except the one person to conduct a presentation. Note that this can be any member of the conference designated by the moderator and can be more than one person.
Option available on Reservationless conferences which allows the Chairperson/Leader to mute all lines of the callers who dialled in using the conference code.
Videoconferencing mode in which one site (e.g., a lecturer) is continuously displayed to all endpoints. Sometimes also called broadcast or lecture mode.