Hi All I am using Pjsip along with Qt.. Here hold and unhold options is working properly if(a==0) { qDebug() << a; pjsua_call_set_hold(b,0); // for hold , here b is call_id qDebug() <<"holded"; } else if(a==1) { pjsua_call_reinvite(b,1,0); // for unhold, here b is call_id qDebug() << a; } Sometimes hold option is working .. But unhold option not working.. I verified with my pjproject with console with is working fine Please help me,Actually where the issue is here ? Thanks Yuvaraj R -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090923/9a24a25d/attachment.html>