[asterisk-users] [1.4] Failed callfile doesn't jumpto"failed"extension

[Gilles]

On Fri, 18 Mar 2011 10:08:52 -0700 (PDT), Steve Edwards
<asterisk.org at sedwards.com> wrote:
>On Fri, 18 Mar 2011, Danny Nicholas wrote:
>> I believe you will achieve the desired result by replacing ${REASON} 
>> with ${HANGUP_CAUSE}.
>
>REASON is documented as being valid in the 'failed' extension. If it is 
>not working as you expect it to, maybe you could read through the source 
>(/usr/src/asterisk-x.x.x.x/main/pbx.c) to understand why.
>
>You could always submit a patch...
>
>HANGUP_CAUSE should be HANGUPCAUSE.

Thanks guys. In which case does Asterisk jump to the "failed"
extension?