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Microsoft® Office Communications Server 2007 Resource Kit by Microsoft OCS Team, Stephanie Lindsey, Rick Kingslan, Mitch Tulloch, Kintan Brahmbhatt, John Clarkson, James O'Neil, Hao Yan, Byron Spurlock, Jochen Kunert, Rui Maximo, Jeremy Buch

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Understanding Enhanced Presence

Office Communications Server 2007 provides the infrastructure to enable client applications to publish and subscribe to extended, or enhanced, presence information. The enhanced presence infrastructure includes categories and containers. Categories are individual pieces of presence information, such as status, location, note, contact information, or calendar data. Containers are logical buckets into which clients publish instances of various categories of presence information. (See Tables Table 18-1 and Table 18-2.) When change occurs, clients can publish an individual category instance instead of an entire presence document, as is the case with Live Communications Server 2005.

Table 18-1. Types of Presence Information ...

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