pidgin-sipe | Pidgin protocol plugin to connect to MS Office Communicator | Mehr ...
A third-party plugin for the Pidgin multi-protocol instant messenger. It implements the extended version of SIP/SIMPLE used by various products: . * Microsoft Office Communications Server (OCS 2007/2007 R2 and newer) * Microsoft Live Communications Server (LCS 2003/2005) * Reuters Messaging . With this plugin you should be able to replace your Microsoft Office Communicator client with Pidgin.
