Part of the popular BT Diverse range, this additional cordless phone is compatible with BT Diverse 7100 units and has a range of features to make calling easier and more efficient. A digital answering machine is built in to the hub and is simple to use, with all the buttons clearly marked on the base for instant message retrieval. A 100 number phonebook ensures you never lose your contacts while a four line display with backlight gives you all the call information you need at your fingertips.