Re: How to route a specific reply instead of triggering failure route? (Handling 422 reply)

Regards
Tola
Sent from my iPhone; please excuse any typos.

> On Mar 10, 2026, at 8:01 AM, Benoit Panizzon via sr-users <[email protected]> wrote:
> Hi Gang
> 
> Not using the timer module.
> 
> I just stumbled over an issue when a CPE replies with 422.
> 
> I have set-up a failure route to be used when resolving the location of
> a registered cpe fails or if that cpe returns an error.
> 
> I react on most cases like re-routing to voicemail etc.
> 
> But in case of a 422 I would like to send that reply back to the caller
> so the call can be re-attempted with a lower session timer.
> 
> For this to work, I need to route the reply back to the origin. Using
> t_send_reply() from within the failure route creates a new reply,
> missing the required Min-Se header from the original reply.
> 
> Is there something like a t_route_reply()? Of would I need to extract
> the Min-SE header from the reply and then append it again to the reply
> generated with t_send_reply()?
> 
> Mit freundlichen Grüssen
> 
> -Benoît Panizzon-
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