PortAudio: http://portaudio.com/archives/pa_snapshot_v19.tar.gz
Common C++ 2 1.3.20: http://sourceforge.net/projects/cplusplus/
ccRTP 1.3.5: http://sourceforge.net/projects/cplusplus/
libosip 2.2.1: http://savannah.gnu.org/projects/osip/
libeXosip2-1.9.1-pre17: http://www.antisip.com/download/
mDNSResponder87: http://developer.apple.com/darwin/projects/bonjour/