[OpenSIPS-Users] The contact value related issue

Răzvan Crainea razvan at opensips.org
Tue May 2 07:03:04 UTC 2023

Hi, Anton!

Calling fix_nated_contact() in the on_reply route is the way to do it, 
no other work around. Try to make sure the function is actually called 
for your reply, perhaps the route is not actual executed for that reply. 
You can double check by printing some xlogs "guarding" the 
fix_nated_contact() and check if they appear in your logs.

Best regards,

Răzvan Crainea
OpenSIPS Core Developer

On 4/19/23 15:28, Anton Danilov wrote:
> Hello, everyone.
> I've faced a strange issue: incorrect port number in the contact
> header of 200 Ok reply causes ACK loss and dialog termination.
> Here is the UML diagram in svg format (also in the attach):
> https://drive.google.com/file/d/1ti5SjpV3H8SM6rHovAbBOL86ZSu9N2x2/view?usp=share_link
> I've tried to fix this with the fix_nated_contact() function in the
> on_reply route, but it seems like it doesn't work - the port number is
> still unchanged.
> Is there a way to fix it without manual manipulation with regular expressions?
> --
> Anton Danilov.
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> Users at lists.opensips.org
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