VIDEO : http://www.youtube.com/watch?v=2EiHnSKoJ1Y
By default an installation of Lync Server does not contain any pre-installed or pre-approved updates, this must be performed manually by an administrator. This is basically the same process as was used in Office Communications Server except that now there are multiple update packages, which on the surface appear to be identical.
Previously the only supported devices that used the Office Communicator Phone Edition client were the Microsoft reference-design “Tanjay” family of devices: the Polycom CX700 and LG-Nortel IP8540. Both phones were identical and used the exact same software so a single installation package was distributed and updated on a regular basis.....
FULL STORY BY JEFF SCHERTZ:
http://blog.schertz.name/2011/01/updating-lync-phone-edition-devices/