I am sure there will be more, but this is a great side effect of using Lync (a co-worker tipped me off to this). Lync will embed click to call functionality within websites. Third parties created some add-ons in OCS for this, but it is nice to see that it is now native to the installation.
When you view a website, you will notice the Lync Click to Call icons wherever there is a phone number:
When hovering over the Click to Call icon, it shows the action:
Once you click the icon, Lync immediately opens up a call window and calls the number:
Ahhh, the simple things in life. Beats copying and pasting!