OCS

General Overview Media Bypass is an excellent new feature in Lync 2010, the successor to Office Communications Server (OCS) 2007 R2.  Currently, when an OCS Endpoint such as Communicator or Tanjay utilize Enterprise Voice, they must utilize RTAudio which an OCS Mediation Server must then transcode to G.711 which is the codec utilized on the Public Switched Telephone Network … [Read more...] about Lync 2010 Media Bypass with and without Voice Resilience

Yes, this is old news and there's about 462 blog entries (ok, that's a made up number, but there are a lot) about how to force Communicator 2007 R2 to do an Address Book (Galcontacts.db) update.  These blog entries will talk about the July 2009 update for Communicator 2007 R2 and how it introduced a random delay of 0-60 minutes for Communicator 2007 R2 to download an updated … [Read more...] about Forcing Address Book Updates in Communicator 2007 R2

OCS 2007 R2 Standard Edition Front Ends utilize SQL 2005 Express with SP2 for storing its databases.  Unfortunately, with SQL Express, you will have to backup using SQL Server Management Studio or find an automated way.  This article will detail the steps I utilize to make backing up easier and automated. For information on how to back up OCS, please see the Backup and … [Read more...] about OCS 2007 R2 Standard Edition Front End Automated Backups

I ran into an issue where we had two OCS 2007 R2 Front End Servers behind an F5 Load Balancer.  We kept getting "This service is temporarily unavailable" from our Communicator Clients after we configured the Communicator 2007 R2 Response Group Tab.  For those that are unfamiliar with this tab, it is a web based extension to the Communicator interface that allows users to log in … [Read more...] about OCS 2007 R2 Load Balancing – Response Group Service Unavailable

Read the Lync Server 2010 version of this article here.There are several ways in which we can utilize Audio/Video streams in Office Communications Server (OCS) R2.   The same "should... but not verified" work the same in OCS 2007 R1.  There aren't really any places out there that describe how the media session works in different circumstances.  For example, what servers and … [Read more...] about Office Communications Server 2007 R2 Audio/Media Negotiation