call-in
Pronunciation: (kôl'in"), [key]
— Radio and Television. Radio and Television.
—n.
- a program in which listeners or viewers phone in comments or questions to the host or a person being interviewed.
- a live telephone conversation intended for broadcasting between a program's host and a person being interviewed.
—adj.
- of, pertaining to, or featuring such phone calls or conversations: a call-in program.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.