capability characteristic: pci connection general line supports pnp, dsp construction absolutely adopt megger combine mode, realize megger digital record not plunk. alternating and direct current input impedance reach 8 megohm, can use on line, broadcasting station, video, and other to record. single card offer eight telephone record connection which can work independent,offer press control, voice and key control record mode. every channel record, play, accepts code; send out code, signal order check can work simultaneous. support incoming telephone number displaying and fix telephone message accepting and sending message. support conference function; realize 32 side conference and multi-group conference. have independent play port, don't use record channels. support 12pcs card on one computer development condition: offer win98/2000 and unix drivers. offer dll and activex control. support vc++, vb, delphi, pb, c++bullder. voice edit tools. public safe record. digital record system. bank, insurance and security department, government and military organization. brief introduction of eight pci digital record card: absolutely automatic digital record system, the content can be saved more than one year one card has eight port, can put 12 cards on one computer. compatible with other cards' driver port, don't need amend original code when changing card. support dar series record.