Design and Implementation of Telephone QQ
Huang Hong · Telecommunication Engineering · 2005
Telephone QQ is a new kind of supplementary service of China Telecom,which is featured by large service capacity and complicated flow.This paper proposes a new system by using voice card. The functions of the system are briefly introduced. The structure of the system, as well as the functions and module design of every terminal subsystem are discussed. Meanwhile, the software implementation are analysed in detail.