Great news for Polycom customers who own Polycom CX series phones—Microsoft announced they are extending support for Lync Phone Edition firmware. The new support lifetime announced by Microsoft for Lync Phone Edition is the same as Lync 2013:
Mainstream support through 2018
Extended support through 2023
The following Polycom phones and conference phone use Lync Phone Edition firmware:
Polycom also offers a larger selection of IP phones and conference phones that do not use Lync Phone Edition, but instead, either register to the Lync server as IP devices or connect directly to a laptop or PC via USB. To learn more about all 20+ Polycom VoIP phones, USB phones and conference phones for Lync, visit Polycom Phones and Conference Phones for Microsoft Lync.
For more information and details from Microsoft about their recently announced extended support for Lync Phone Edition, please read Update on Lync Phones from Microsoft’s Technet Blog.