Don't know about detect, but you could set a transaction-persistent flag or AVP when processing the reinvite request. This will also be testable in the onreply_route.
-- Alex -- Principal, Evariste Systems LLC (www.evaristesys.com) Sent from my Google Nexus. _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users@lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users