1. With telecommunication competition aggravating long - distance - billing system has become main point of long - distance service of China Unicom.

2. The project is a comprehensive billing system designed for Sichuan Chengdu Netcom Corporation, including call record collection, rating and operation analysis system.

3. The conventional law firm billing system is a form of cost-plus pricing(), which is considered wasteful.

4. The design plan and characteristics of the telephone billing system are elaborated. Software composition of the system and the design and function of every program module are introduced.

5. Fast developing telecommunication industry requires excellent management and billing system , country.

6. All those service use the same billing system and the same OAM system.

7. Billing system for telephone station 2 N, LG complete source code, has been tested.

8. Secondly, fundamental 3G technologies, concepts, structure of 3G network and billing system are presented, which are the basis of subsystem design.

9. The technology of three-level structure build a new platform for efficient and safety charging and billing system.

10. It's a fixed bar code scanner market ranking, the billing system market.