1. An elevator modernization method, comprising: installing a story terminal on a story of a building that is served by an elevator installation, the story terminal being for input of a destination story call, the elevator installation comprising a control device and a cage disposed in a shaft, an input device being located in the cage, the input device being coupled to the control device to provide call information to the control device; deactivating one or more call input buttons on the input device, such that the one or more call input buttons do not provide call information that is used by the control device in scheduling movement of the elevator cage; and configuring the control device to use the one or more input buttons to indicate a destination of the cage according to the destination story call.