Presence and availability with IMS: Applications architecture, traffic analysis, and capacity impacts

  title={Presence and availability with IMS: Applications architecture, traffic analysis, and capacity impacts},
  author={Carlos Urrutia-Vald{\'e}s and Amit Mukhopadhyay and Mohamed El-Sayed},
  journal={Bell Labs Technical Journal},
A key advantage of the IP Multimedia Subsystem (IMS) is that it promotes the development of innovative multimedia services designed to bring an enhanced experience to the end user. The presenceand availability service is viewed as an indispensable feature for these next-generation services to help service providers generate new revenue and reduce churn. Numerous new services are currently being designed to take advantage of this feature. In this paper, we examine presence and availability in… CONTINUE READING
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Presence Service, Architecture and Functional Description (Release 6)

3rd Generation Partnership Project
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