The term PIN is unfortunately extremely overused within Lync and Exchange server, and leads to some end-user confusion. In an Enterprise Voice scenario a user can have up to three different PINs they need to manage, and they generally won’t be able to distinguish where each should be used. First, it’s important to identify the different PINs a user can have:
• Lync User PIN—This PIN is used to sign in to a Lync Phone Edition device using only a PIN and an extension. It is also used for authenticating to the Lync dial-in conferencing bridge.
• Lync Device PIN—This PIN is created by a user the first time she signs in to a Lync Phone Edition device and locks her personal information such as a contact list and voice mail messages. This ...