Hi, I am trying to pjsua in windows 10.It was compiled using visual studio express 2012.my config_site.h is below. But I hear metallic voice when run cc 0 0 in pjsua app.What should I do for improving the sound quality? config_site.h: #include <pj/config_site_sample.h> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20160312/318a995f/attachment.html>