Dear Pjsip Support Team, As title. I try to use pjsua_call_make_call() to send invite to a URI (Ex: sip:192.168.2.220), but the URI doesn't exist (Device power off) in fact. Then it will cause dialog lock till 30 second timeout. What API could I use to force cancelled this invite dialog? Best regards, KennyChen -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130903/dbde5314/attachment-0001.html>