The ice is good enough in PjSIP, Maybe something to do better in the feature. Trickle ICE: http://tools.ietf.org/id/draft-ietf-mmusic-trickle-ice-00.txt to dramatically reduce the time of call setup. Start media flows only when ICE negotiation is finished. BR, Frank.zheng -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20131211/9bde5b11/attachment-0001.html>