Hello, Dialog module can help you about it.It can generate CDR with billsec. http://kamailio.org/docs/modules/5.0.x/modules/dialog.html -- View this message in context: http://sip-router.1086192.n5.nabble.com/acc-billsec-tp161050p161051.html Sent from the Users mailing list archive at Nabble.com.