Hi, I have been modifying transport_udp.c traying to access the payload and encrypt it should I modify the on_rx_rtp in stream.c for that instead ? -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20071001/a62fd282/attachment.html