At last, Its confirmed that Lync Mobile clients for Windows Phone, iOS, Android and Symbian devices are coming to their respective marketplaces starting from December-12th (Monday). You can find the feature comparison table of these mobile clients above. Windows Phone Lync client has almost all of the features except meeting pane integration.
So, Skype is our next target now. What do you say ??
Source: Iluminari Tech (Microsoft collaboration solutions partner)