It works with existing tele-communications systems, so business can deploy advanced VoIP and conferencing without tearing out their legacy phone networks.

With Microsoft Office Communicator 2007 building a conference call happens with drag and drop simplicity. You can transform any conversation-a phone call or an instant message session-into a conference call or a videoconference on the fly.

Meet online with the Microsoft Office Live Meeting service (2007)

The Live Meeting service supports the voice and videoconferencing tools in Office Communicator 2007 with a rich, online meeting environment. With Live Meeting, you can effectively collaborate on, train for, or deliver interactive presentations with anyone, virtually anywhere, using just a PC and an Internet connection.

Conference calls that meet compliance regulations

Microsoft unified communications technologies delivers voice and video conferencing through Microsoft Office Communications Server 2007 via IP. This means that conference call audio and video streams are captured and logged just like an instant message or an email. Retaining every conferencing instance in a central archive can be an important business resource and resolves many of the compliance issues businesses currently face.