asterisk users - Jun 2017 - Forward error code beetwen legs

Hello asterisk users,

I have a strange behaviour with asterisk and error code forwarding in
asterisk 11.

Please find below my setup:

Phone -> ASTERISK -> SIP TRUNK PROVIDER

A phone start a call, asterisk start a leg to my SIP trunk provider.
I have a simple dialplan to handle it:

[gotoexternal]
exten => _X.,1,Dial(SIP/${EXTEN}@provider)

When my SIP provider return to asterisk a 404 SIP error code, asterisk
return to phone a 503 error code.

Why 503 error code has been returned, and not the original error = 404
error ?

Asterisk's cli said: == Everyone is busy/congested at this time (1:0/0/1)

How can i return the 404 error ? Forward this 404 error to the original leg
?

Thanks in advance,
Regards.
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On Thu, Jun 01, 2017 at 09:06:25PM +0200, Loic Chabert
wrote:
> [gotoexternal]
> exten => _X.,1,Dial(SIP/${EXTEN}@provider)
> 
> When my SIP provider return to asterisk a 404 SIP error code, asterisk
> return to phone a 503 error code.
> 
> Why 503 error code has been returned, and not the original error = 404
> error ?
> 
> Asterisk's cli said: == Everyone is busy/congested at this time
(1:0/0/1)
> 
> How can i return the 404 error ? Forward this 404 error to the original leg
> ?
To lazy to look it up exactly, but add something like:
exten => _X.,n,Hangup(${HANGUPCAUSE})

Exact Daniel, it'works with this line.

Thanks for your help.

Regards.

2017-06-01 21:16 GMT+02:00 Daniel Tryba <daniel at tryba.nl>:
> On Thu, Jun 01, 2017 at 09:06:25PM +0200, Loic Chabert wrote:
> > [gotoexternal]
> > exten => _X.,1,Dial(SIP/${EXTEN}@provider)
> >
> > When my SIP provider return to asterisk a 404 SIP error code, asterisk
> > return to phone a 503 error code.
> >
> > Why 503 error code has been returned, and not the original error = 404
> > error ?
> >
> > Asterisk's cli said: == Everyone is busy/congested at this time
(1:0/0/1)
> >
> > How can i return the 404 error ? Forward this 404 error to the
original
> leg
> > ?
>
> To lazy to look it up exactly, but add something like:
> exten => _X.,n,Hangup(${HANGUPCAUSE})
>
>
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