Microsoft SharePoint provides a solution for collaboration and communication to help manage and measure projects more effectively. Documents and tasks are stored centrally; project members receive automatic alerts when there are changes or new versions of documents.
With Microsoft Live Meeting you can organize a virtual meeting quickly and efficiently. And last but not least, Microsoft Lync enables you to instantly check the online presence and absence status of your colleagues, in order to start instant messaging with them.
Lync and Live Meeting are both part of the new virtual office solution from Microsoft:
Microsoft Office 365.