Sorry,I don't know how to send email successfully .Lask week , I sent two emails ,but system returned that you can wait moderator to check .I think it is the right way to ask questions .Yesterday I sent too many emails but I don't know why I can't get that reply .Now I have known and I promise that it won't happen again. I'm so sorry. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090319/08fc3381/attachment.html>