Glossary

T.120 is an ITU-T standard that was designed to create a self-sufficient set of data collaboration tools, which may be used either as standalone or in the content of a multipoint videoconference.

T.120 protocol stack architecture

While T.120 provides rather advanced features, it also comes with great complexity and found only relatively limited use. This is why in most video conferencing systems, H.239 has been adopted instead of T.120.

T.120 is used by leading communication products, such as Cisco WebEx and Microsoft NetMeeting for application sharing, data sharing, etc.