if i send an Invite without Call-ID, and is it a rightful and legitimate Inivte???? i must have a Call-ID on my invite, right?? -- Best Wish Email:i.liuwei at google.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://sipforum.org/pipermail/discussion/attachments/20070812/9c249427/attachment-0002.html>