Modem spy is handy utility for phone calls recording. Features: 1) records phone conversations. 2) records from microphone. 3) plays back recorded mesages via phone line. 4) Plays back recorded mesages via sound card. 5) Can record ALL incomming phone calls. 6) Has built-in software automatic gain control. 7) Detects and logs Caller ID. 8) Pops up caller ID information