Chapter 8. Practice with SIP

In this chapter, we start putting into practice some of the SIP concepts learned so far. We will show some very simple programming examples that illustrate how SIP works. As was stated in previous chapters, the purpose of this book is not to teach the reader how to program commercial SIP applications. This book’s goal is to enable the reader to understand SIP-based multimedia communication. We believe that letting readers “play” with practical programming examples using a protocol-level API may help them to consolidate the learning about SIP. In order to understand the next examples, only a basic understanding of the Java language is required. Actually, we believe that the complexity of managing low-level SIP APIs ...

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