Hi Ben, Still struggling with the 'symbol not found' error. I was wondering whether there is a reason why running python setup.py build creates the lib.macosx-10.3-i386-2.5 directory under build instead of lib.macosx-10.5-i386-2.5 and whether or not it might be affecting on out symptom best regards, Tzury -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20080326/225438ca/attachment.html