Telepathy/Farsight integration - Qt 4 library

 telepathy-qt4-farstream provides telepathy-qt4 integration with
 telepathy-farstream, which implements media streaming using GStreamer and
 Farsight.
 .
 Telepathy is a D-Bus framework for unifying real time communication,
 including instant messaging, voice calls and video calls. It abstracts
 differences between protocols to provide a unified interface for
 applications.