DECT 6.0 technology; Requires a SN5000 series phone to operate; 1,000 name & number smart call block; 50dB audio assist; Visual ringing indicator; Caller ID announce; Full duplex handset speakerphone; Caller ID/Call Waiting–stores 50 calls; Table & wall mountable; Intercom between handsets; Conference between an outside line & up to 2 cordless handsets; Voicemail waiting indicator light; Last 10 number redial; Eng/Sp/Fr;