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What is Presence Service

Chapter 74
Encyclopedia of Internet Technologies and Applications
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Published in Chapter:
Service Provisioning in the IP Multimedia Subsystem
Adetola Oredope (University of Essex, UK) and Antonio Liotta (University of Essex, UK)
Copyright: © 2008 |Pages: 7
DOI: 10.4018/978-1-59140-993-9.ch074
Abstract
The IP multimedia subsystem (IMS) specifies a service centric framework for converged, all-IP networks. This promises to provide the long awaited environment for deploying technology-neutral services over fixed, wireless, and cellular networks, known as third generation (3G) networks. Since its initial proposal in 1999, the IMS has gone through different stages of development, from its initial Release 5 up to the current Release 7.
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