Qualified IP/PBXs for Microsoft Office Communicator 2007 R2, found at http://go.microsoft.com/fwlink/?LinkID=133697.

Office Communications Server 2007 partners, found at http://go.microsoft.com/fwlink/?LinkID=133699.

Office Communications Server Open Interoperability Program, found at http://go.microsoft.com/fwlink/?LinkID=133622.

TEL URI RFC 3966, found at http://go.microsoft.com/fwlink/?LinkID=133700.

Selecting a deployment option for Office Communications Server, found at http://go.microsoft.com/fwlink/?LinkID=133701.

Office Communications Server 2007 user documentation, including the "Enterprise Voice Planning and Deployment Guide," can be found on the companion media in the Additional Reading folder. The "Enterprise Voice Planning and Deployment Guide" file is named Office Communications Server_VoIP_Guide.doc.