Hello! You can: 1) build PJSIP library with build in PJSUA command line application, or 2) use another application in PJSIP source code pjproject-2.0-RC\pjsip-apps\src\vidgui it based at QT SDK for UI, but can help with understanding logic of PJSIP using. 3) build PJSIP and integrate it into MFC-based dialog(as I do :-) ) in any case I think that build PJ libraries - libpjproject-i386-Win32-vc8-Debug.lib(and release) - the quickest way to prepare your own program with SIP client, based at PJlibrary. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20120518/b40bfe4f/attachment.html>