1.One key connect (+10) 2.FSK/DTMF caller ID 3.Receive and store incoming number while another line is busy 4.16 digits LCD display and LCD brightness 7 levels adjustable 5.Total/repeat/out of area and private indicator for incoming information 6.Calendar and auto adjust time under FSK system 7.80 incoming number and time storev,review,callback and delfunction 8.25 outgoing number and time store,review,callback and delfunction 9.3 way conference and music on hold 10.Auto select line feature 11.Different ring for two different line 12.Local area code setting 13.Flash time adjustable to fit for different exchange and three way talk, standard flash time is 900ms 14.Flash,redia,pre-dialing,edit the number 15.waterproof and moistureproof 16.thunder-proof and Anti_EMI design
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