Hi Muge, Now I can store rvlcip and rvlcport in a text file, if I write a program that reads these values of data and using them to send video, I can have a video call with a program SIP that supports video? Regards -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090825/fa45e701/attachment.html>