[OpenSIPS-Users] 481 dialog does not exist issue

Răzvan Crainea razvan at opensips.org
Tue Sep 14 11:52:58 EST 2021

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

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 at originator_pub_ip>;tag=bbd030726p
> To: <sip:to_user at 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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