At present, the telecom operational enterprises are faced with the problems of how to integrate the existed OSS systems to meet the clients? demands quickly and how to provide end-to-end business services with fewer costs. To achieve these, some new IT methods and technologies are needed by telecom operational enterprises so as to support the operation managements better and make a good collaboration among the telecom service providers, equipment vendors, sales/marketing departments and clients. This paper presents a new service-oriented analysis and design method for the telecom business integration procedures, and provides a common integration platform with Service-Oriented Architecture to support the integration and execution of various heterogeneous legacy OSS systems in a manner of service-oriented business processes.