Remote call stations represent another method for an AGVS to satisfy delivery requirements. The simplest call station is a push-button mounted at the load/unload station. This transmits a hailing signal for any available vehicle in the neighborhood to dock at the station and either pick up or drop off a load. The on-board control control panel might then be used to dispatch the vehicle to the desired destination point. More sophisticated remote call stations permit the vehicle's destination to be programmed at the same time the vehicle is called. This is a more automated dispatching method that is useful in AGV systems capable of automatic loading and unloading operations.