As I can see (in sofia_glue.c) invite_contact is set from channel variable sip_contact_user if empty. I export channel variable sip_contact_user in dial plan, but on b-leg steal see Contact: <sip:auto_to_user@1.2.3.4:5060;transport=udp;gw=mygw>.

Seams that sip_contact_user is used for a-leg only.

Gateway has set param

In sofia.c 'auto_to_user' or 'auto' value in extension affects only destination_number.

So, I can't see any way to set contact header user name for outbound calls for gateway.

Seudin

On Tue, Sep 17, 2013 at 11:42 PM, Brian West <brian@freeswitch.org> wrote:

Look in sofia_glue.c in do_invite at all the variables you can set...
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On Sep 17, 2013, at 8:32 AM, Seudin Kasumovic <seudin.kasumovic@gmail.com> wrote:

> Hi,
>
> Call comes over external gateway and pass to another external gateway via outbound proxy (no authentication nor registration), but on b-leg contact header is not as expected username from tag 'From:' of a-leg.
>
> a-leg works correct for inbound calls via external gateway:
>
> Contact: <sip:1001@1.2.3.4:5060;transport=udp>
>
> but b-leg (outbound calls) has header set to:
>
> Contact: <sip:auto_to_user@1.2.3.4:5060;transport=udp;gw=mygw>
>
> I tried to set empty value or comment this line of external gateway:
>
> <param name="extension" value="auto_to_user"/>
>
> but then call failed.
>
> How to set user in contact header on b-leg or/and what to export from dial plan to populate user in contact header on external gateway?
>
> Regards,
> Seudin

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