ABSTRACT
Because of the competition environment in the telecommunications, the billing system of telecom becomes the most important support systems in the market competition. Telecom regards the billing system as an important way to improve service quality and strengthen its competitiveness. In order to meet the various customer needs, the telecom has provided a lot of billing way. But in the new requirements develop process is often associated with lots of outstanding problems, such as a long development cycle and a large number of repeated codes, which seriously impact on the development of efficiency and quality. It can resolve the above mentioned problems by use the technology of component. Based on the needs of the telecom billing business, this article designs two basic components:
1. Config Component
Read and modify value of the configuration items in which the file type is xml and ini. As a plus, it can also updates configure items in time when file updated.
2.Documented billing component
Use a list of files to deal with billing and provide insert, query, update, delete and other basic interface.
Through the efforts, the system has passed each stage of software engineering such as requirement, design, coding, and test. Now this system already has been released successfully and running well.
Key Words:Online charging system, Components, Xml and ini Config file, Documented billing component