The objective of this thesis is to explore the new open standard framework SIMPLE (Session
Initiation Protocol for Instant Messaging and Presence Leveraging Extensions) and its ability …

The popularity of instant messaging highlights the power that the addition of presence
information can bring to communications. Instant messaging systems combine multi-party …

The advances of new technologies and the convergence of different communication media
are constantly changing not only our means and modes of communication with other people …

Presence is regarded as an important enabler for novel services in third-generation wireless
networks (3G)(eg, instant messaging). Standardization in 3GPP has adopted the IETF model …

Abstract Nowadays, Presence Technology is starting to appear in an unbounded number of
applications. Whit presence technology, users don't need to know where their contacts are …

Presence information—expressing user willingness and ability to communicate with other
users across a set of devices and tools—represents an essential prerequisite for real-time …

Various instant messaging and presence (IMP) sys-tems have gained much popularity in
recent years. However, existing systems are typically designed to the current computing …

Presence information is a subset of context that originated in Instant Messaging and Push to
Talk applications. Presence information expresses all the determining factors behind …

Presence technology has long been an integral part of instant messaging. The technology
lets users determine if their contacts are online, signed onto their IM applications, and ready …

Abstract Presence and Instant Messaging have recently emerged as a new medium of
communications over the Internet. Presence is a means for finding, retrieving, and …