Chapter 7. Conferencing
A conference is a conversation between multiple participants. There are many different types of conferences, including loosely coupled conferences, fully distributed multiparty conferences and tightly coupled conferences. In this chapter only the latter is described since it is the only one that is of interest to the Internet Protocol Multimedia Subsystem (IMS).
Conferencing is not just limited to audio; the popularity of video and text conferencing, better known as chatting, has been growing rapidly over the past few years. This popularity is due to conferencing's ability to simulate a face-to-face meeting in so many realistic ways: for example, by enabling file and whiteboard sharing and conveying emotions using video, all in real time.
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