You will receive the following error if .NET 3.0 is not installed on the Office Communications Server when trying to start RGS. Log Name:      Office Communications Server Source:        OCS...

This question has come up a couple times.  How can I disable Inbound Ring on MOC but still keep all of my other windows sounds.  The sound options for communicator are hidden, but there are a lot of options once you find them. Open Communicator...

I have run into a couple issues with customers that are unable to or unwilling to create DNS Zone of Public namespace internally into their AD environment. In order to get Automatic configuration to work we need to create a SRV Records or a fall back...

Symptoms When you sign in to Office Communicator Web Access R2 Web Site you receive the following error. Cannot sign in because your computer clock is not set correctly or your account is invalid.  (Error Code: 0-1-492) Cause This issue occurs because...

I was recently working with a Customer who wanted to transfer calls to voicemail directly without ringing the phone first.  We discussed a couple different options. 1.  Adding additional EUM Proxy Address to each users mailbox.   This would...

I do not want to spend a lot of time discussing the configuration of CUPS since this is already documented by Cisco. I would like to document the configuration of Office Communication Server 2007 when enabling users for RCC with Cisco Unified Presence...

Last week I discussed how to connect Asterisk with OCS Mediation Server over TCP. I figured since we can connect Asterisk to OCS, why not to Exchange UM. I will go over the configuration changes I made to Asterisk for this, but will not go into detail...

I’ve personally been waiting for this release of Asterisk for some time now! After researching a little, I found out that Asterisk 1.6 now supports TCP & TLS. Currently it is still considered experimental – but hey, it’s always fun to play! For those...