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If the Lync dial-in settings are set by the Office 365 administrator in the web client console, then it is easy to get the Lync Web App to call you back directly on your home or office number.
A vast quantity of features exist within the Lync Web App, such as the whiteboard and as seen here, the poll function. The Lync Web App is entirely Silverlight based, so the functionality is not only rich and user aesthetically pleasing, but it is scalable and expandable and available on a vast number of platforms - even non-Windows.
This is still the Lync Web App, but it looks almost identical to that of the desktop client. Here, the aforementioned poll is conducted across the board of the meeting, This 'sharing' area can include the whiteboard as well as poll functions, and sharing of documents and PowerPoint presentations.