The Alcatel XL685EWE is a cordless phone with the ability to block calls from up to 100 numbers. It features a large LCD screen with two lines, easy menu navigation, and records the last 50 incoming calls. It offers 10 ringtone options and call waiting identification. With a talk time of 8 hours and standby time of 100 hours, it includes features like keypad lock, clock-alarm, and audible alerts for out-of-range and low battery. It can connect with up to 4 headsets and supports internal communication and call transfer.