This Siemens A385 single telephone includes the handy feature of a 140 name and number memory to help you find that number through the touch of a button. This phone also includes a 25 minute answer machine to ensure you always get the message and caller ID so you know who is phoning. This single phone can provide up to 25 hours of talk time and 210 hour standby time. This cordless phone allow flexibility as they have an outdoor range of up to 300m and indoor range of 50m.