CONTROL agent Kendall is whisked out of sight in the revolving phone booth while being guarded by an unwitting Maxwell Smart.
Means by which KAOS kidnaps CONTROL agents for transport to Camp Gitchie Goomee Noonee Wa-Wa.
The revolving phone booth is located at Washington Airport and operated by a KAOS agent known as Nova working at the baggage counter.
Once a target has been identified Nova announces on the PA system that there is telephone call for him; he is then directed to the booth and Nova presses a button under the counter. The booth then revolves the victim out of sight with an empty booth on the other side of the panel taking its place.
[Episode #111: "The Not-So-Great Escape, Part 1".]