Condition: 1.compile with vs2005 in win7 os compile success 2.plug in earphone(not mic ,just earphone) in pc 3.install Microsoft DirectX SDK (June 2010) in the development pc. Run pjsua project. problem: 1. when I get a call from remote , i always get the tip just as the follow: can not find the audio device , why? I'm sure my earphone is ok,i can use it to listen music in the same pc. I just can not listen the sound ,but I can get the call message like the follow: So I think it's just problem with audio device, am I missing something when build the project ? thank you -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20131220/f212d77f/attachment-0001.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: ??1.png Type: image/png Size: 6364 bytes Desc: not available URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20131220/f212d77f/attachment-0002.png> -------------- next part -------------- A non-text attachment was scrubbed... Name: ??2.png Type: image/png Size: 21863 bytes Desc: not available URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20131220/f212d77f/attachment-0003.png>