Hi all: I'm developing a symbian sip client that use VAS G.729,now I want to send inband DTMF,I've seen and do it according to "http://trac.pjsip.org/repos/wiki/FAQ#inband-dtmf", but failed.It seemed VAS use audio switch board rather than conference bridge,but switch board cannot support audio mixing,so pjsua_conf_connect() returned 220160(PJMEDIA_ENOTCOMPATIBLE). How to send inband DTMF with VAS G.729? Thank you so much! Regards 2009-09-25 mylen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090925/3b66d3b5/attachment.html>