hello, is there any facility to get SIP client (ex. softphone,ipphone) MAC address on asterisk. based on that we authenticated client in anyway. i tried with sip debug but i didn't got any MAC address related field in all packets. regards Dhaval -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20091028/5242b520/attachment.htm