Instant messaging architecture and system for interoperability and presence management
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United States of America Patent
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Oct 13, 2009
Grant Date -
Jul 19, 2007
app pub date -
Feb 10, 2006
filing date -
Apr 29, 2002
priority date (Note) -
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Abstract
A computer network system establishes an instant messaging (IM) session between a first user registered with a first ISP (ISP) and at least one user registered with a second ISP when the two ISPs operate using different IM protocols. The ISPs each contain a Local IM server connected to each registered user. Each ISP also contains a Universal IM server that is connected to the distributed network. The Universal IM server includes a database that stores routing information and Presence information for each user registered with the second ISPs and facilitates communications between the first and second user using a universal format, such as XML.
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