Features1.100numbertelephonebook2.Dialed,received,notreceivednumbercheck3.Speeddialfunction4.Emulatetelephonedialing5.Easyvolumeadjustment6.Ip-to-Ipandpoint to-pointcommunication7.Hifilowdelaynetsoundcommunication8.LocalIPnumber,localnumbercheck9.Instantplugandplay10.Mipptoolsoftwaresetting11.Support3-wayconferencing,fulldupls.hands-freespeakerphonesuperiorfrequency12.Callforwarding,callwaiting,callhold,calltransfer,redial,calllog,volumecontrol,voicemailwithindicator13.Keyboardoperatedlanguageindicator.