Hello! libpjproject-i386-Win32-vc8-Debug-Static.lib - this is debug library of pj-project. Looks like your MicroSIP project tries to find it, but without success. you should build it(mentioned library) from pjsip-solution and copy builded library from pjsip-solution to your MicroSIP solution BR. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120417/55214120/attachment.html>