[SIPForum-discussion] Getting 500 Sip Error

[nitin kapoor]

Hello All

Please help me on this issue.

Thanks
Nitin Kapoor


2008/11/11 nitin kapoor <nitinkapoorr at gmail.com>:
> Hello All
>
> There is an issue with one of our customer server Whenever they are
> trying to send a call forward through SBC(Nextone) they are getting
> Sip Error 500.I have checked and found that is some problem in UAC.
> Because according to the traces UAC is sending UPDATE message before
> it receives 200 OK for PRACK.. and that's why nextone is sending back
> 500 Sip Error message to UAC. Its mean UAC is not passing signaling
> properly. And as per RFC 3311 its correct.
>
> I have checked that update sdp option is also enable for this customer
> in his nextone box.
>
> Can you have a look and share your thoughts on this issue please.
> Ethereal traces are attached.
>
> Thanks
> Nitin Kapoor
>