The sturdy Aastra 630d is designed for use in tough working environments. The device satisfies industrial standard IP 65 and with its high level of dust protection and jet resistant it can be used anywhere outdoors or in production. It is very easy to clean and in order to comply with high hygiene requirements, making it ideally suited for the healthcare sector, too. The 630d is capable of withstanding fall heights of up to 2 m onto concrete. Not only that, it offers all the user convenience of the Aastra 620d such as a large TFT display, Bluetooth and USB interface. With its integrated ''mandown'' alarm the phone is ideal for security professions or the prison and detention sectors. When the ''mandown'' feature is activated, the phone automatically ascertains whether it is in a position that might indicate that the employee finds himself in a threatening situation if necessary sending an alarm to a preset number. An additional emergency call key makes the 630d the ideal companion not just for security related professions, but also for hospitals and care facilities.