Can some one please point me to any documents ( including the source file names I should look at ) and the mechanics of the REFER mechanism ( particularly -- how the implicit subscription is being created and send accross ?? so that NOTIFY will be placed from the referree under the correct dialog context... thanks -p -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090205/82f97afb/attachment.html>