Hi, I try to call pjsua_create function, but I get this error: unresolved external symbol _pjsua_create referenced in function "public: " here is my include header code: #ifdef __cplusplus extern "C"{ #endif #include <pjlib.h> #include <pjlib-util.h> #include <pjnath.h> #include <pjsip.h> #include <pjsip_ua.h> #include <pjsip_simple.h> #include <pjsua-lib/pjsua.h> #include <pjmedia.h> #include <pjmedia-codec.h> #ifdef __cplusplus } #endif I'm using Qt Creator and msvc. Need help. Thanks. Rgds, -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100519/d2105c80/attachment.html>