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内容説明 More than merely an explanation of IMS， this book addresses how IMS-based services could be deployed in an operator’s network. The authors delineate the application layer and the types of applications that can be implemented with an IMS network. They begin with an overview the components that make up IMS， then provide a brief tutorial on several of the key signaling standards that have been defined for implementation of an end-to-end service making use of the IMS. The book covers enabling technologies and how one can take the enables defined by OMA， place them in an IMS network defined by 3GPP， add creativity and offer new services to the consumer or enterprise customer. It includes vignettes that describe real-life scenarios.