Actually , can not set the playback-dev, what's wrong with it? ---------- ?????? ---------- ????"hlzhangxt <hlzhangxt at 163.com>" ?????2008-04-12 18:37:03 ????pjsip <pjsip at lists.pjsip.org> ??? can not run the function pjsua_set_snd_dev every time, I deloy the funciton pjsua_set_snd_dev, it always fails. the error message is : invalid channel number. So I can not select sound device, only use -1 . who can solve this problem ? ???????????9??5550???010-61598313 -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20080412/daeccf38/attachment.html