hi Thanks for replying. we have few queries regarding conferencing to have a clear understanding about it. 1.how many participants can join conferencing? 2.How to use the refer method for this? 3.Can u please suggest some links regarding this? THANKS ®ARDS yogananda C R L&T IES Mysore Larsen & Toubro Limited www.larsentoubro.com This Email may contain confidential or privileged information for the intended recipient (s) If you are not the intended recipient, please do not use or disseminate the information, notify the sender and delete it from your system. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20111226/ed57ea89/attachment-0001.html>