Preface

The Reasoning behind this Book

Many books have been written about IMS, so why do we think another is needed? Most of the existing books are written from the perspective of those who implement the technology, either network vendors or operators. There is no such focus for developers. The standards that form the basis of IMS are complex – as they are designed to solve complex problems – and require specialized knowledge to understand. Developing services and applications on IMS requires a different set of skills and knowledge, however, and these are generally overlooked in existing books. This book covers these aspects, from creating small applications to utilizing the full features of IMS Communication Services and RCS.
This is a unique IMS ...

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