This article introduces the demand background

design precept

collectivity construction

ensemble construction

design principle

implementation method and application of telecommunication integrated service management system of Qilu petrochemical coporation. It is a computer software system which conducts such subsystems as charging

account

opening

job order etc. of Qilu petrochemical telecommunication special net. It has offered various kinds of communication interface subsystem and business interface which meet the demand. It has contented the demand of operator of communication as special demand which is regarded as the special network of communications.