Communicator Attendant Hotfix

http://support.microsoft.com/?kbid=970275

Communicator Rollup – July 2009

http://support.microsoft.com/?kbid=969695

Communicator Phone

http://www.microsoft.com/downloads/details.aspx?familyid=565595be-6cf3-4a61-a1e4-12555749ca64&displaylang=en

Communications Server:

http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=b3b02475-150c-41fa-844a-c10a517040f4

Live Meeting Client Update:

http://support.microsoft.com/kb/969697

Conferencing Addin for Outlook:

http://support.microsoft.com/kb/969696

Group Chat Update Package:

http://www.microsoft.com/downloads/details.aspx?FamilyID=e5924bf9-b042-4c53-b4a6-79c7e5c9749b&displaylang=en

Links to sources below, thanks guys for some great posting
http://ocsguy.com/2009/08/04/microsoft-releases-live-meetings-updates/
http://blog.misthos.com/2009/07/july-ocs-updates.html