[SIPForum-discussion] [SIP-Forum] Case of 481 message

[Vijay Tiwari]

Hello Mohamed


This is 4xx error response code. 481 Dialog/Transaction Does Not Exist means
that request received by UAS(server)do not match with any dialog or
transaction.

for identify a dialog we see from tag, To tag and call-ID
for transaction we see Via's Branch ID



Thanks
Vijay

On Tue, Jan 11, 2011 at 1:35 AM, Mohamed Slim Zouaghi <
zouaghimohamedslim at gmail.com> wrote:

> Hi all,
>
> In my wireshark traces I have a 481 message in my use case call for the SIP
> protocol, I need to know:
>
>   - When we use this case of messages "481"
>   - Between which equipement we use it.
>
> Thank you very much for your help.
>
> Best regards,
>
>
>  Slim Zouaghi
>
> PS Engineer -TEKELEC
>
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