Here is the TechNet link for Understanding Name Lookups from a Caller ID In that above TechNet link you can find very good information and flow chart about Name Lookups from a Caller ID. With this Blog I want to make it simple and add some more...

Symptom: Not able to Install the Group chat with error " Group chat server cannot find RTCComponentUniversalServices" in Multi domain Scenario Cause: If you try to install group chat server in child domain it will fail with Group chat server cannot...

Exchange 2007 SP1 Features with Communications Server 2007 The following is a summary of the Unified Messaging features that are available in an integrated Exchange 2007 SP1 and Communications Server 2007 environment: Support for additional...

Wow, What a Technology and Features OCS R2 Offers..... Key new features of Office Communications Server 2007 R2 include the following: Next-Generation Collaboration • Dial-in audioconferencing . Office Communications Server 2007 R2 enables businesses...

What are the new services in OCS R2? Now OCS R2 front end server also includes the Application server. The OCS 2007 R2 Application Server has following services: Conferencing Attendant Conferencing Announcement Service Outside Voice Control...

After installing OCS, you find that you're not able to download the Address Book. Office Communicator will prompt for the entry of credentials over and over while trying to download the address book but credentials will not be accepted. You'll see the...

There is an interesting and quite useful tool called Archiving CDR Reporter tool that comes with OCS 2007 resource kit. The Microsoft Office Communications Server Archiving CDR Reporter tool can be used to collect variety of usage reports based...

This Post is all about how to provide the fuctionality to end user of searching a federated contact in your local address book using MOC? Recently i worked on a case where we have three AD forests with single AD Domain per forest, each AD forest has...