Almost one hundred years of construction and development have brought a big scale to the local PSTN and its market. How to become more competent among telecommunication operators and make more profits from the PSTN by making full use of the current network resources, offer various intelligent services that meet customers' personalized need. To answer these questions, this thesis puts forward the subject of network intellectualization of local PSTN.Intellectualization of PSTN means optimization of the existing network structure, improvement of the capability of providing services and bringing about intensified and personalized telecommunication services. It aims at solving the problems in centralized management of user data and service-triggering, offering abundant services, and then improving the capability of the local telephone network for providing... |