asterisk users - Feb 2010 - Sending back the BYE code gotten on second leg

I have a business problem that is killing me. I do SIP2SIP, only. I place a
call after receiving the incoming request, and I need to send a Hangup(Code)
to the caller, based on the result of the outbound leg. How can I do that in
Asterisk? Is that even possible at all?
I can use Hangup(code), but how do I extract it from the received BYE? This
is only for calls that fail to connect on the outbound leg.
Philip
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On 22 Feb 2010, at 11:16, CDR wrote:
> I have a business problem that is killing me. I do SIP2SIP, only. I  
> place a call after receiving the incoming request, and I need to  
> send a Hangup(Code) to the caller, based on the result of the  
> outbound leg. How can I do that in Asterisk? Is that even possible  
> at all?
> I can use Hangup(code), but how do I extract it from the received  
> BYE? This is only for calls that fail to connect on the outbound leg.
Just do Hangup(), I think it should pass it automatically as long as  
you never did Answer()... Might be wrong.

S