Skype TX is a studio grade system that enables broadcasters to seamlessly integrate regular Skype video calls into a studio workflow. It enables high-quality, real-time interactions with remote guests and broadcasters in almost 100 countries have implemented Skype TX into their workflows.
Today, Microsoft announced Skype TX 4 which is more flexible and scalable than its predecessor. Also, it allows broadcasters and media partners the ability to integrate multiple studio-grade Skype video calls into the broadcasting workflow. Microsoft also announced that NewTek and Quicklink will be the first manufacturers to ship Skype TX 4-compatible hardware.
Read more about it here.