On the background of mobile phone TV service of 3G, the paper constructs an integrated model of scale and price for mobile phone TV service, theoretically analyzes the coordinative relation of optimal scale, price and optimal profit under the condition of uncertainty variety.

According to customers telephone conversation quantity,we choose the best preferential benefit price package and get the best preferential benefit curves of every price package.

Price war is one of the most important competing measures for the corporations.

A study of the market and tariff of internet service;

With the development of telecommunication industry in our country,especially the high speed development of mobile phone and the effective competition structure founded in the market,the question of the adjustment,reform and regulation of mobile phone tariff become the focuses of the society in recent years.

Some proposals and suggections about charging tactics and tariff policy of GPRS are offered,after detailed description of logic structure,parameters,models,data collection and others of GPRS billing system.

The Lack of control on our telecom charges in comparison with America and Britain;

First, the paper analyses the structural conditions of international roaming markets and then points out the cause why international roaming charges have remained high is that the wholesale price can not reflect the market demand of international roaming, thus inducing the operators opportunism behavior.