Supports VC++, VB, DELPHI, PB, C++ Builder,. NET, WEB GX16 telephone voice boardFeatures and Benefits:With USB interface, whole based on ... DSP architecture, Single board connect up to 16 analog telephone line and provide parallel process of less than 16 line ... and CRBT detection, accurately identifies the other's pickup after dial-up.Supports CID display and detection and transmission of standard ...