A long and sad story about trouble upgrading the firmware in Office Communication Server enabled phones, specifically the Polycom CX700. This particular problem manifests itself as follows: The phone logs on to the server successfully and gets almost to the end of the login process. Feb 22, 2013 - When using Lync Phone Edition you might want to upgrade to Lync client on these. Approve the update;; Auto install of the client software on the device. For Microsoft Lync Phone Edition for Polycom CX700 en LG-Nortel IP.
Have you downloaded, installed, and approved the latest UCUpdate.exe package? It does not come with Lync Server by default. After that 200 POST you should see a pair of GET requests in the IIS logs showing the download request of the CPE.nbt and CPE.cat files. Regarding the second question, you cannot upgrade some older firmware versions directly to Lync. For example a very old 1.0.452 version must be brought up to an OCS R2 version using this process: But anything more recent (e.g.