... VB,DELPHI,C++ Bullder such as development platform. GX300R Digital Trunk Logging Card Features and Benefits : PCI interface bus, whole based ... real-time precise recording of 30-channel on EI digital trunk line,30-channel call tone collection, extraction of caller and ... any time will not affect the normal communications of digital trunk. Development Environment: Provides drivers in WIN98/2000/XP and ...