CSTA and Reverse number lookup in Office Communicator

If you haven't worked with CSTA / 3PCC (Third Party Call Control) in Office Communicator, then Paul Robichaux has a nice write-up on how Office Communicator translates incoming phonenumbers to contact information (Retrieved from the AD or WAB) and also includes some information on normalization of phone numbers (That usually is a big deal

It also includes a nice little tip on how to forcibly update the locally downloaded Address Book (If you are using this). See more at his post.