System for implementing stored-program controlled switching equipment control by using PC

The invention provides a system of using PC to realize the control of program- controlled exchange device, and its characteristic: call control module to realize telephone channel continuing and communication service function in communication and interactively process service control instruction sent from network interface module; user interface module to provide the interface between the call control module and the communication terminal; communication terminal to process various user services; network interface module to provide the interface between PC client end and Internet remote-end communication user; PC client end module to provide control interface for user operation service and operation and setting of completing various basic service and new service functions; it uses PC to replace telephone keyboard, strengthening communication terminal function and the user is unnecessary to make dry and fussy telephone number dialing to be able to conveniently realize various terminal-provided service functions on the PC.