[OpenSIPS-Users] Removing Identity hdr

[Johan De Clercq]

What will be done with diversion? I believe that now it is c

On Tue, 18 Jun 2024, 10:59 Alain Bieuzent, <alain.bieuzent at free.fr> wrote:

> Hi,
>
>
>
> interesting question, because in future developments of stir/shaken in
> France, for forwarded calls, it is planned that the identity field received
> on the incoming call be forwarded to the outgoing leg but also to add a
> signature (with the local certificate) on the outgoing call (so two
> identity fields).
>
>
>
> Regards
>
>
>
> *De : *Users <users-bounces at lists.opensips.org> au nom de Srigo
> Kanapathipillai <ksrigo at gmail.com>
> *Répondre à : *OpenSIPS users mailling list <users at lists.opensips.org>
> *Date : *mardi 18 juin 2024 à 08:34
> *À : *OpenSIPS users mailling list <users at lists.opensips.org>
> *Objet : *[OpenSIPS-Users] Removing Identity hdr
>
>
>
> Hi,
>
>
>
> I'm encountering an issue with removing an Identity header in OpenSIPS
> 3.4. Here’s the situation:
>
>
>
> 1. An incoming call with an Identity header is received.
>
> 2. I perform a `stir_shaken_verify()` and remove the Identity header in a
> request route.
>
> 3. The call is forwarded to an upstream server, but it fails.
>
> 4. In the `failure_route`, I need to forward the call to a PSTN number.
>
>
>
> 5. Before sending the call to the PSTN (in compliance with French
> STIR/SHAKEN regulations), I need to sign it with my certificate.
>
>
>
> However, when I call `stir_shaken_auth()`, I receive an error -2
> indicating that the Identity header already exists. Despite running
> `remove_hf(identity)` before calling this function, the header isn't
> removed, and `$hdr(identity)` still returns the initial value of the
> Identity header.
>
>
>
> What is the best way to remove the existing Identity header and re-sign
> the call?
>
>
>
> Thank you,
>
> Srigo
>
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