●Support Dynamic Host Configuration ●Support PPPoE（for ADSL, Cable Modem User） ●Phone Settings Configured Through Web Browser or Telnet ●FTP/Telnet remote upgrade ●Dynamic voice detection, comfort noise generation,dynamic voice buffer; ●G.165 16ms Echo cancellation ●ITU-T Standard Tone generation and Local DTMF generation and detection ●Out-band DTMF transmit by H.245 control string or Q.931 keypad ●E.164 dial plan and customized dial rules ●Phone book with 100 entries ●80 entries each for missed call, answered call and dialed call; ●Handset and speaker volume adjustable ●Voice prompt