Live Communications Server 2005 SP1 is now available for LCS 2005, which will enable Public IM Connectivity to AOL, MSN, and Yahoo. Pricing availability for the "public IM connectivity" component is TBA.
DOWNLOAD: http://www.microsoft.com/downloads/details.aspx?familyid=3508860C-2616-4B5A-BA00-353BE599A7B1
SP1 Documentation on Office Online
http://office.microsoft.com/en-us/FX011526591033.aspx
Live Communications Server 2005 with Service Pack 1 Planning Guide
Live Communications Server 2005 Address Book Service Planning and Deployment Guide
Updating to Service Pack 1 and Enabling Public IM Connectivity
Live Communications Server 2005 with Service Pack 1 Feature Guide
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