SMT-W6100 User Guide128Service light (Menu 6.4.5)You can turn off or turn on the service light.Service light is flickering periodically to show the phone is available to service.Direct call (Menu 6.4.6)This function allows children and elderly persons to make an urgent call should an emergencyoccur by pressing any key, excluding the Off soft key and Info soft key. to dial a predefinednumber.• OK: You can insert the phone number which you want to make a direct call.• Off: Press the soft key while in Idle mode.If the Direct call function is activated, you can verify predefined numbers by pressingthe soft key.