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There are many SIP Trunk providers that 'work' with OCS 207 R2 - some that are on the Microsoft OIP and some that are not. The goal of this blog will be to objectively compare the various providers from basic functionality to customer service...
Originally I had planned on writing a few 'How-To' articles on OCS and SIP Trunks here on my blog, but then the opportunity to do the writing for Microsoft on the same subject came along. I am happy to announce that my first TechNet posting can...
A current issue with a Microsoft patch has been discovered (and currently blogged about in numerous locations). In short, if security update KB974571 is installed on your OCS/LCS servers to believe they are expired evals. Removing the hotfix resolves...
As all are aware Office Communication Server 2007 R2 was recently released and with it the ability to run the various code on Windows Server 2008 64bit. Everything appears to run/work correctly with the exception of AOL users via the PIC. Symptoms: AOL...
Originally published and re-distributed upon request at: http://blogs.msdn.com/scottos/archive/2008/12/05/office-communicator-clients-cannot-communicate-with-contacts-homed-on-yahoo-messenger-network.aspx Yahoo! will be undergoing an emergency maintenance...
For those that subscribe to the Public Internet Connector (PIC) feature in Office Communication Server, a recent change at AOL may impact you. As with all communication to and from OCS, certificates are used to encrypt and authenticate traffic. The PKI...
It is not uncommon that I am asked "How do I change the external URL for conferencing within OCS?" There are multiple reasons for a user needing/wanting to change the URL, most often it being either they skipped the entry during setup (it does...
Office Communication Server (OCS) 2007 R2 has finally been announced. There are many great and new features that have been announced and the full link can be found here: http://www.microsoft.com/communicationsserver/en/us/default.aspx The big ticket items...
I have been fielded multiple questions lately about the mysteries of the calendaring information within Office Communicator 2007. Why does my email and SIP URI need to be the same? Why does Communicator Web Access (CWA) not pull information but it can...
Microsoft Office Communicator 2007 was recently updated (as mentioned in the Microsoft KB article 954439 http://support.microsoft.com/?kbid=954439 ) but the location of the hotfix itself has been a mystery to many - not any longer! ;) Microsoft's...