Hi all, I need to store a custom response header in CDR. Let me explain the scenario. I have a Kamailio (SIP Proxy) that sends invite toFreeswitch (B2BUA)for call processing (prepaid/CDR); the call is then relayed back to kamailio for LCR (it choose the right destination/carrier): user -> kamailio -> freeswitch -> kamailio -> provider I can set a custom header in the reply route of kamailio (X-Provider: 1.2.3.4) but I don't know how take this information in freeswitch... Could ${sip_ph_X-Provider}/${sip_rh_X-Provider}/${sip_bye_X-Provider} CDR? user <- kamailio <- freeswitch <- kamailio (X-Provider) <- provider (100 or 200 response code) I want to store this information in order to do statistics and profits tracking. Best Regards,