Lync Online sign-in page prompts with the message, "To sign in, additional software is required." When you click "Download and and install now," you ...

(2636067) - Describes the November 2010 cumulative update for Lync 2010 Phone Edition for the Polycom CX500, Polycom CX600, and Polycom CX3000 model phones.

Fixes an issue in which users cannot sign in to Office Communicator 2007 R2. Additionally, they receive a "Cannot sign in because the server is temporarily ...