Call in mumber voice talking Intercom calling and conversation function Base seven colour backight display Real sing Auto-answer and voice pager function Support up to 3 Handsets, means one Base Can support three Handsets Music play function Handset over-range alarm function Pre-dial (30 digits) function for Base and Handset Pre-arrange calls from a handset when the line is busy Base and handset with the alarm clock, calendar Function,conversation auto time Auto or manually scan free channel, choice the best hannel and avoid interference When Base check the incoming information, can store the numbers to the memories Base has 17 groups and handset has 15 groups chord music rings, Ringer ON or OFF choice The dial out number can be checked (base 25 groups,handset 10 groups)