Recently, I noticed that the Audio Call option is now disabled (greyed out) in Empathy when I right click on an available GoogleTalk contact. This option used to be available a few days ago.
I do have libtelepathy-farstream3, libfarstream-0.1-0, and libfarstream-0.2-2 installed on Ubuntu 13.04 x64 with kernel 3.8.0-27. (Note, I just upgraded the kernel to 3.8.0-29 and still have this issue).
Has anyone else experienced this recently, and if so, is there a resolution?