The present invention presents a call panel of an elevator or of an elevator system including one or more display elements, a front plate covering the call panel, in connection with which front plate a touch sensor is fitted, and also a control unit to which the display elements and also the touch sensor are connected. The detection area of the touch sensor covers both an active area, and a passive area, where the active area additionally utilizes display elements, while the passive area lacks display capability and remains outside at least some of the aforementioned active area, in which one or more touch-sensitive pushbuttons are disposed in the passive area. The control unit is arranged to react to a touch of the touch-sensitive pushbuttons specified for the aforementioned detection area.