You can join a Lync Meeting on your iPad without signing in to Lync or even having a Lync account. Here's how: Install Lync 2013 (from the App store for iPad) in advance of the meeting. (If you don't install Lync beforehand, you'll be prompted to install it when you try to join the meeting.) Don't sign in to Lync. When you tap the meeting link on your mobile device, you'll get a Lync prompt to join the meeting. Tap Sign in as a guest . Once you enter your name, you'll be admitted to the conversation window for the meeting (or into the Lobby if the meeting leader has decided to use that feature). Here are some things you can and can't do as a meeting guest if you're not signed in to Lync: You can… open the Meeting settin...