1. Why would you want to drop it?
2. Any reply has a CSeq value matching the request to which it corresponds. So, $rm, method, and is_method() in an onreply_route can all be used to test for a BYE.
-- Alex Balashov | Principal | Evariste Systems LLC 1447 Peachtree Street NE, Suite 700 Atlanta, GA 30309 United States
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Sent from my BlackBerry. Original Message From: 张顺通 Sent: Wednesday, April 20, 2016 00:04 To: Kamailio (SER) - Users Mailing List Reply To: Kamailio (SER) - Users Mailing List Subject: [SR-Users] How to distinguish 200 OK that have byed