hi all, hope to get answer for this one.. when using (free) public SIP provider like gizmo5, they usually don't have rtp proxy. how can I use this services with a cell phone inside symetric nat? i know of turn for the relay, but is there other solution? does turn is been used as i haven't seen much turn server implementation.. any help would be appriciate here, thanks, nir -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090726/6f5a7821/attachment.html>