Hello Problem, You seem to have correct problem which draw that PjSIP Python is broken. Have you tried in a fresh box? as below setup steps? And then still fails? http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/2013-December/016918.html Regards /Sham -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20131210/c761cb40/attachment-0001.html>