| The Centrex billing management system of Dandong telecommunication is a typical telecommunication service application system. This system has realized the connection with some mainstream large-scale exchange switch, such as NEAX61 (sigma), N05, C&C08, S1240 . The system can withdraw and sort real-time information of the Centrex user, and save in the database. At the same time receives the user's instruction, changes corresponding Centrex telephone call jurisdiction and registers different telephone new service. Realized the telephone solid time mark expense, the telephone jurisdiction real-time revision, the tariff real-time revision which business Centrex user cared about, has produced function and so on each kind of report form, has the quite strong usability.This system mainly includes the bureau end the core module (connection module, writes storehouse module, business logic module) and the client side application procedure (backstage database establishment, routine maintenance management) two aspects developments. Regarding former request application procedure function complete, the modulation, during the different module the mild coupling, is easy to expand. Establishes the data uniformity and the integrity regarding latter request is strong, the data security good database, Satisfies the user each kind of revision tariff the request, is advantageous for the inquiry and the maintenance.This article first introduced the project background, including project necessity, feasible as well as project construction basis. Then... |