Office Communication Server

http://www.lankey.ru/blog/2009/08/17/primer-razvertyvanya-office-communications-server-2007-r2-part-1/
http://www.lankey.ru/blog/2009/08/17/primer-razvertyvanya-office-communications-server-2007-r2-part-2/
http://www.lankey.ru/blog/2009/08/17/primer-razvertyvanya-office-communications-server-2007-r2-part-3/
http://www.lankey.ru/blog/2009/08/17/primer-razvertyvanya-office-communications-server-2007-r2-part-4/ 

http://www.lankey.ru/blog/2010/04/09/ocs-2007-r2-in-resource-forest/

http://www.lankey.ru/blog/category/office-communications-server/