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Microsoft® Lync Server 2010 Unleashed by Tom Pacyk, Andrew Abbate, Alex Lewis

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Instant Messaging

Instant Messaging (IM) is the oldest function available in Lync Server. This is the now-ubiquitous function of being able to see that a contact is online and to send him or her a simple text-based message. Lync Server takes this IM capability to a whole new level. Lync Server continues to support Public IM Connectivity (PIC) with AOL, MSN, and Yahoo! IM, but it is now easier than ever to federate with other Communications Server environments.

Federation effectively sets up a connection between multiple implementations of Communications Server that enable both sides to selectively share presence information with one another. This is especially useful for partner relationships where it’s necessary for the partners to quickly contact ...

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