Impressive list of links on Microsoft unified communications. Collected by Dirk Gullentops. Thx. Dirk.

OCS 2007 R2 Homepage (incl How to buy) :

http://www.microsoft.com/communicationsserver/en/us/default.aspx

OCS 2007 R2 Glossary of Telephony Terms :

http://technet.microsoft.com/en-us/library/dd819979(office.13).aspx

OCS 2007 R2 Workload Architecture Poster :

http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=af2c17cb-207c-4c52-8811-0aca6dfadc94

OCS 2007 R2 Technical Reference :

http://technet.microsoft.com/en-us/library/dd572433(office.13).aspx

10 Predictions for UC in 2009 (Gurdeep Singh Pall) :

http://blogs.technet.com/uc/archive/2009/01/06/ten-predictions-for-uc-in-2009.aspx

http://www.nojitter.com/blog/archives/2009/01/microsoft_gurde.html

http://www.technotesblog.com/?p=24

PartnerNet Unified Communications :

https://partner.microsoft.com/global/program/competencies/msppunifiedcommunications

UC Program Membership : https://partner.microsoft.com/global/40029082

OCS Products & Solutions : https://partner.microsoft.com/global/40043916

UC FastStart Saleskit : https://partner.microsoft.com/global/40046284

UC Business Value Tool BVT v4 : https://partner.microsoft.com/global/40068903

TechNet : OCS 2007 R2 How To (tutorials) :

http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=aba240af-b5ba-4e14-bc12-c98eae1f6d15

TechNet : OCS 2007 R2 Tools & Clients (download) :

http://technet.microsoft.com/en-us/office/ocs/bb629431.aspx

TechNet : OCS 2007 R2 Documentation :

http://technet.microsoft.com/en-us/library/dd440724(office.13).aspx

TechNet : OCS 2007 R2 Documentation (download) :

http://www.microsoft.com/downloads/details.aspx?familyid=E9F86F96-AA09-4DCA-9088-F64B4F01C703&displaylang=en

TechNet : OCS 2007 R2 Resource Kit (MS Press) :

http://www.microsoft.com/learning/en/us/book.aspx?ID=13113&locale=en-us

TechNet : OCS 2007 R2 Resource Kit Tools (download) :

http://www.microsoft.com/downloads/details.aspx?familyid=9E79A236-C0DF-4A72-ABA6-9A9602A93ED0&displaylang=en

http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=9e79a236-c0df-4a72-aba6-9a9602a93ed0

TechNet : OCS 2007 R2 PreCallDiagnostics Resource Kit Tools :

http://www.microsoft.com/downloads/details.aspx?familyid=F16AB4C2-353F-4C9B-B353-22A656C03C9B&displaylang=en

TechNet : UC Open Interoperability Program (OIP) :

http://technet.microsoft.com/en-us/office/bb735838.aspx

TechNet : Phones and Deviced Optimized for Office Communicator :

http://technet.microsoft.com/en-us/bb970310.aspx

TechNet : OCS 2007 R2 Planning Tool (download) :

http://www.microsoft.com/downloads/details.aspx?familyid=FDF32585-C131-4832-8E27-67E70636C1E8&displaylang=en

TechNet : OCS 2007 R2 Capacity Planning Tool (download) :

http://www.microsoft.com/downloads/details.aspx?familyid=F8CBDDD6-7608-4BBE-9246-16E96C62BEF4&displaylang=en

TechNet : OCS 2007 R2 Edge Planning Tool (download) :

http://www.microsoft.com/downloads/details.aspx?familyid=EC4B960C-3FE2-41BD-ABDF-AE89CFCB8C6C&displaylang=en

TechNet : OCS 2007 R2 Best Practices Analyzer (BPA) (download) :

http://www.microsoft.com/downloads/details.aspx?familyid=1B90993C-072A-4C84-B385-B76D23B2F27C&displaylang=en

Client Virtualisation (Terminal Services, Citrix) :

http://support.microsoft.com/kb/951152

Server Virtualisation (Hyper-V, VMWare) (download) :

http://blogs.technet.com/ucedsg/archive/2009/05/13/ocs-2007-r2-virtualization-announcement.aspx

and

http://www.microsoft.com/downloads/details.aspx?familyid=0A45D921-3B48-44E4-B42B-19704A2B81B0&displaylang=en

www.startready.com

Integrating Voice with OCS 2007 R2 (download) :

http://www.microsoft.com/downloads/details.aspx?FamilyID=8CDE0C3A-042E-445B-A514-2D12ED5B2AC2&displaylang=en

Jochen Kunert - Voice scenario's with OCS :

http://blogs.technet.com/jkunert/archive/2008/07/30/voice-scenarios-with-ocs-2007.aspx

How Presence Powers OCS 2007 : Rajesh Ramanathan

http://technet.microsoft.com/nl-be/magazine/2008.02.ocsim(en-us).aspx

How Voice Powers OCS 2007 : Rajesh Ramanathan

http://technet.microsoft.com/nl-be/magazine/2008.07.ocs(en-us).aspx

How RCC Powers OCS 2007 R2 : Rajesh Ramanathan

http://technet.microsoft.com/en-us/magazine/2009.03.rcc.aspx

How Voice Conferencing Powers OCS 2007 R2 : Rajesh Ramanathan

http://technet.microsoft.com/en-us/magazine/2009.04.ocs.aspx?pr=blog

OCS 2007 Remote Connectivity Analyzer :

https://www.testocsconnectivity.com/default.aspx

Exchange 2007 Remote Connectivity Analyzer :

https://www.testexchangeconnectivity.com/

TechNet : Exchange 2007 UM via Media Gateway or IP-PBX :

http://technet.microsoft.com/en-us/library/cc411323.aspx

OCS 2007 Audio Media Negotiation :

http://www.shudnow.net/2009/08/29/office-communications-server-2007-r2-audiomedia-negotiation/

Remote Access Configuration Guide for OCS 2007 R1/R2 :

http://cid-b6d0e1f9969eb052.skydrive.live.com/browse.aspx/.Public/OCS2007R2EdgeConfigGuide

NATing of the Edge Server :

http://blogs.technet.com/rickva/archive/2009/04/03/Configuring-A_2F00_V-Edge-Service-for-NAT.aspx

http://blogs.technet.com/rickva/archive/2009/04/09/ocs-2007-r1-r2-remote-access-configuration-guide.aspx

http://www.shudnow.net/2009/01/05/office-communications-server-2007-r2-enterprise-deployment-part-1/

OCS 2007 R2 Client Group Policy Documentation :

http://www.microsoft.com/downloads/details.aspx?familyid=5d6f4b90-6980-430b-9f97-ffadbc07b7a9&displaylang=en

OCS 2007 Enhanced Presence :

http://www.microsoft.com/downloads/details.aspx?familyid=DF0BA247-3884-43C7-A1E1-791D64B8BFA8&displaylang=en

http://blogs.technet.com/jenstr/archive/2008/02/20/driving-presence-from-outlook-calendar-information.aspx

http://technet.microsoft.com/en-us/library/dd637122(office.13).aspx

3rd Party Integrations with OCS 2007 :

http://www.evangelyze.net

http://www.wortell.nl

http://www.bednet.be

SIP Processing Language :

http://msdn.microsoft.com/en-us/library/bb632061.aspx

OCS 2007 R2 Front End Script :

http://technet.microsoft.com/en-us/library/dd572358(office.13).aspx

LCS 2005 Front End Script :

http://downloads.zdnet.com/thankyou.aspx?&tag=content;col1&docid=793823&view=793823&load=1&regSrc=dwld&authId=ZrFM8LKGisW0cIQzNmeRwz6eUnU8m4ip+Ka/EMsagQEkleMi1i4MYWebpj7cZp3D

OCS 2007 R2 SDK :

http://msdn.microsoft.com/en-us/library/dd146567(office.13).aspx

MSDN :

MSDN Libary :

MSDN OCS 2007 R2 : http://msdn.microsoft.com/en-us/library/bb187367.aspx

MSDN Communicator 2007 R2 : http://msdn.microsoft.com/en-us/library/bb187369.aspx

Office Communications Developer Center :

http://msdn.microsoft.com/nl-be/office/aa905773(en-us).aspx

UC Developer Center :

http://msdn.microsoft.com/nl-be/office/aa905374(en-us).aspx

UC Downloads :

http://msdn.microsoft.com/nl-be/office/cc718982(en-us).aspx

UC SDKs :

http://msdn.microsoft.com/nl-be/office/bb891953(en-us).aspx

UC Software :

http://msdn.microsoft.com/nl-be/office/bb891952(en-us).aspx

UC Support :

http://msdn.microsoft.com/nl-be/office/dd326838(en-us).aspx

UC Virtual Labs :

http://msdn.microsoft.com/nl-be/office/bb986639(en-us).aspx

UC Webcasts :

http://msdn.microsoft.com/nl-be/office/bb932310(en-us).aspx

Non-DID deployments : Line URI; ext=

http://blogs.technet.com/jenstr/archive/2008/01/29/how-to-implement-enterprise-voice-in-a-non-did-scenario.aspx

http://blogs.technet.com/jkunert/archive/2008/08/19/ocs-2007-dialplan-using-non-did-numbers.aspx

Exchange UM Auto Attendant :

http://www.msexchange.org/articles-tutorials/exchange-server-2007/management-administration/managing-unified-messaging-auto-attendant-part1.html

http://www.msexchange.org/articles-tutorials/exchange-server-2007/management-administration/managing-unified-messaging-auto-attendant-part2.html

http://www.msexchange.org/articles-tutorials/exchange-server-2007/management-administration/managing-unified-messaging-auto-attendant-part3.html

http://www.msexchange.org/articles-tutorials/exchange-server-2007/management-administration/managing-unified-messaging-auto-attendant-part4.html

Import-Export Addres Book Contact Lists : DBIMPEXP.EXE

http://blog.insideocs.com/2009/07/06/importing-and-exporting-ocs-user-contacts/

Roundtable Management Tool :

http://technet.microsoft.com/en-us/library/dd637163(office.13).aspx

http://www.microsoft.com/downloads/details.aspx?FamilyID=a3089fa8-72fc-4f11-b81d-87f0d09a3a9a&displaylang=en

>Support on Windows XP !

OC/LM Client Group Policy and Registry Settings :

http://technet.microsoft.com/en-us/library/dd637155(office.13).aspx

GPO :

http://technet.microsoft.com/en-us/library/dd637120(office.13).aspx

Registry :

http://technet.microsoft.com/en-us/library/dd637135(office.13).aspx

OCS R2 information on TechNet :

Main Page :

http://technet.microsoft.com/en-us/library/dd440724(office.13).aspx

Internal Network Topologies :

http://technet.microsoft.com/en-us/library/dd425287(office.13).aspx

Perimeter Network Topologies :

http://technet.microsoft.com/en-us/library/dd425171(office.13).aspx

Server HW Specifications :

http://technet.microsoft.com/en-us/library/dd572817(office.13).aspx

Capacity Planning :

http://technet.microsoft.com/en-us/library/dd425159(office.13).aspx

Server Co-location :

http://technet.microsoft.com/en-us/library/dd425201(office.13).aspx

(Beta : http://technet.microsoft.com/en-us/library/cc816173.aspx)

Server Virtualisation :

http://technet.microsoft.com/en-us/library/dd572860(office.13).aspx

Ports & Protocols :

http://technet.microsoft.com/en-us/library/dd425238(office.13).aspx

Firewall :

http://technet.microsoft.com/en-us/library/dd572754(office.13).aspx

External User Access :

http://technet.microsoft.com/en-us/library/dd425160(office.13).aspx

Firewall for External users :

http://technet.microsoft.com/en-us/library/dd441361(office.13).aspx

Windows Server :

http://technet.microsoft.com/en-us/library/dd572589(office.13).aspx

http://technet.microsoft.com/en-us/library/dd572378(office.13).aspx