“Is Nothing Sacred?” Dept.: For Hire: Phony Talk Radio Calls: ‘A controversial new service is providing professional
callers for radio stations that feel ordinary phone-in
listeners are not lively enough.

Stations that use the professional callers rarely identify
them as ringers – which is apparently part of the appeal
of “Callers On Demand,” one of several programming
services offered by Manhattan-based United Stations, a
syndication company partly owned by TV veteran Dick
Clark.’ New York Post