The paper analyses information interaction technologies of various communication platforms,introduces touch screen query,data acquisition and transformation,voice service,and mobile telephone short message service.

The voice server based on sip can converge lots of VG and other terminals to a voice network w.

Utilize the PESQ MOS as a metric of voice quality and analysis the control policies used for application adaptation to changes in the state of the network.

The paper introduces the way to evaluate the voice quality of mobile telecommunication system and elaborate the disadvantage of traditional language quality, emphasize the living testing example of object quality of evaluate way.

Along with the development of new telecom technic and the evolution of the govermment s supervision , now the new problem appeared in the interconnection of the Chinese several telecom company:the problem of the interconnected voice quality .

Fast method for evaluating VoIP speech quality in network backbone;

A Study on the Methods of Optimizing the Speech Quality of PHS in the High Traffic Regions;

Study on speech quality evaluation based on improved MFCC