... is designed by SKYLINE Co.,LTD,with FSK and DTMF.And the recorder support compressed format,just like 64kbs, ... your telephonecall conversation, back up for business management. Pretty and concise interface, supports caller ID display, call recording ... adopt ACCESS database. Install simply, use conveniently. Accessories: 1 software disc, 1 mini logger, 1 USB cable, 2 telephone lines.Product pictures ...