Hi All When i want to run the simple program as specified in the URL http://www.pjsip.org/pjsip/docs/html/page_pjsip_sample_simple_ua_c.htm It has compiled well. But i was getting the linking errors during run as follows. --------------------Configuration: test_pjsua - Win32 Debug-------------------- Linking... test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_destroy test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_call_hangup_all test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_call_make_call test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_acc_add test_pjsua.obj : error LNK2001: unresolved external symbol _pj_str test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_acc_config_default test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_start test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_transport_create test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_transport_config_default test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_init test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_logging_config_default test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_config_default test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_verify_sip_url test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_create test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_call_answer test_pjsua.obj : error LNK2001: unresolved external symbol _pj_log_3 test_pjsua.obj : error LNK2001: unresolved external symbol _pj_log_get_level test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_call_get_info test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_conf_connect test_pjsua.obj : error LNK2001: unresolved external symbol _pjsua_perror Debug/test_pjsua.exe : fatal error LNK1120: 20 unresolved externals Error executing link.exe. test_pjsua.exe - 21 error(s), 0 warning(s) Pls suggest what is the problem in it and how to solve it? Regd's Sanjay -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090120/bf2a094b/attachment.html>