Microsoft has launched an update to Microsoft Communicator Mobile 2007 R2 which has some new features and improves on exisisting ones. Some of the new features include making it easier for users to join conferences just by clicking a button, the ability to avoid roaming charges while outside the provider network then reconnect when back in the providor network, and the ability to join a conversation when the user opens the UC conference invitation in Outlook Mobile.
In addition the Windows Mobile 6.5 version will have a home screen plug-in that shows the user status and the number of ongoing conversations, and the ability to place a call via work directly for your dialer.
The Microsoft Office Comminicator 2007 R2 can be downloaded directly to a Windows Mobile device by going to
www.getcomo.com or the
Microsoft Download Website.
Source
Microsoft Article ID: 969813