Lync 2010 for Windows Phone extends the power of Lync to your mobile device – including rich presence, instant messaging, audio conferencing, and calling features from a single, easy-to-use interface.

Key Features:

• View colleagues’ availability in real time and select the best way to communicate – initiating an instant message (IM), email, or a phone call.
• Connect to Lync conference calls with a single touch, without requiring long numeric passcodes or conference numbers.
• Make and receive calls using your Enterprise Voice (Lync ID) number only, so you can connect with others using a single, consistent identity.
• Lync 2010 for Windows Phone provides transport layer security (TLS) and perimeter/internal network protection without requiring a VPN, so your communications experience is safer no matter where you are or what network you use.

Go get it @ http://www.windowsphone.com/en-US/apps/9ce93e51-5b35-e011-854c-00237de2db9e