As of June 2016, Microsoft has ended support for all Skype TV applications. This includes the Logitech camera that we have installed in several locations on campus.
See articles:
http://support.logitech.com/en_hk/article/Support-ending-for-Logitech-TV-Cam-HD?product=a0qi00000069v07AAA
https://support.skype.com/en/faq/FA34642/is-the-skype-for-tv-app-still-supported
In summary, Microsoft is only supporting Smartphone, Tablet, and PC Skype applications.
If you have been using a Skype TV Application, email its@manhattan.edu to discuss alternative solutions.