Hi, Vinayak!

OpenSIPS does not send 481 by itself - that code must have been returned from your script. Please provide more details about the script before we can give you more information.

Best regards,

Răzvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com

On 9/13/21 14:29, Vinayak Makwana wrote:
Hello all,
             I am facing issue 481 dialog does not exist for BYE packet.in <http://packet.in> that I am using the record-route module. but when I sent the BYE packet at that time opensips send me 481 reply and i also observed the packet in that but not getting any dialog termination related issues like to-tag also .
Can anyone help me for this?

here is BYE packet,

20xx/xx/xx xx:xx:xx.715975 originator_pub_ip:port -> opensips_pub_ip:port
BYE sip:destination_pub_ip:port;transport=udp SIP/2.0
Via: SIP/2.0/UDP originator_pub_ip:port;rport;branch=z9hG4bKcbdf32009866-30-2e7d22
From: <sip:from_user@originator_pub_ip>;tag=bbd030726p
To: <sip:to_user@opensips_pub_ip>;tag=ad147951571820219109630
Max-Forwards: 66
Call-ID: ae5a569f-22c9bc14-986912c2-e3626da0
User-Agent: xyz
CSeq: 2 BYE
Route: <sip:opensips_pub_ip;lr;ftag=bbd030726p;did=617.1f231575>
Content-Length: 0

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