Aiming at the requirements of network public feeling analysis,the formal definition and description of the popular topic on Internet is presented,the relationship between hot words and popular topics is analyzed,and finally a hotpoint words correlation computing approach for extracting popular topics on Internet is introduced in traffic contents.

Research and Design of a Home Intelligent Control System Based on Telephone Network;

Auto-alarm system based on telephone network

Study on monitoring system for ship repair quality based on telephone network

Design of terminal unit in computer network telephone systems;

Network Telephone communicate system base on VxWorks;

From the building and extension of LAN,free network telephone,remote virtual meeting,remote supervision and control of project and other aspects the application of VPN technique in construction enterprises is introduced in order to speed up information construction in construction enterprises to increase their comprehensive competitive powers.

The vigorous development of VOIP draws increasing attention to IP phone.

The IP phone is the most representative product.

IP Phone is one of the fastest application technology for its unique advantage of low cost and flexibility.

Evaluation on multiplexing bandwidth of finite scale packet-voice;