1.FSK及DTMF制式来电信息兼容接收，FSK来电自动校时。2.同屏显示来电序号、号码、日期及时间。3.新来电、重复来电、保密、出局等状态显示。4.本地来电区号自动滤除，长途来电回拨可以自动加零。5.预拨号方式、改错及销号功能、提机自动拨号。6.通话自动计时。7.双音频拨号，及重拨、回拨功能 FSKandDTMFcompatible,FSKautomatictimecalibrationdisplayincomingcall sordernumber,phonenumber,dateandtimedisplaynewincomingcalls,repeatincomingcalls,secrecy,PABcoderecord38incomingcallsand5outgoingcallsautomaticallyfilterlocalcode,add 0 forlong-distancecallbackpre-dial,errorcorrectionandcalldeletefunction,automaticdialingafterpickupcallautotimingdualaudiofrequencydialing,redial/callbackfunction