Immediate billing(IB)technology,on the one hand,group users can check computation with simple and quick fashion by theirself,and achieve telephone authority control,so that group users can achieve cost reduction purposes.

This paper briefly states network status, group clients operation characteristics and network-establishing program of railway communications company in Heilongjiang province.

Group clients have the requirements of construct uniform information networks, and always need muti-services solution, including voice and data services.

The characteristics are greatly different between the group client and the single client.

Research on the Marketing Tactics of the Group Customers of Yiminhe Mobile Communication Company Limted;

In recent years,many group customers are beleaguered with debt crisis which inflict huge losses and influence on banking credit assets.

In recent years, group enterprises have always been the vital marketing targets for domestic commercial banks to lobby actively, so it is of utmost importance to strengthen the credit risk management of group customers.

Group Clients Management Innovation Research in Shanxi Mobile Xi an Branch;

Some problems of group clients,such as scattering of legal duty and unity of economic benefit for group clients,irregular supervisory system and imperfect intellectual structures,are more dangerous than the problems of a single client,and the administrative means for a client is obviously not suitable for the group ones.

Nice group clients will be telecom operators major targets both at home and abroad.