Office Communications Server 2007 provides the means for communicating with users of IM services provided by MSN, AOL, and Yahoo!. Once a connection is established, authorized Office Communications Server users can add contacts, share presence information, and communicate in real time with IM users in these public networks. Note that file transfer, games, formatted text, multimedia, and conferencing will not work over connections between Office Communications Server 2007 and public IM service providers.
Organizations that want to take advantage of public IM connectivity must do the following:
Obtain separate public IM connectivity service licenses from Microsoft
Provision the organization's Session ...