additional handset for 7110 plus dect telephone phonebook memory 100 name and number directory with copy between handsets handset volume control ringtones 5 standard 10 polyphonic 30 number calls list 10 number redial list sms facility for sms text messaging to work you must subscribe to a caller display service not withhold your telephone number and not bar premium rate calls lcd screen backlit mono 4 lines range from base indoor range 50m outdoor range 300m numbe