[asterisk-users] Dial() after the h extension has been invoked?
ewieling at nyigc.com
Fri Nov 12 11:36:07 CST 2021
Create a spool file from the 'h' extension to generate the call.
On 11/12/21 11:56, Antony Stone wrote:
> I have a setup which comprises some "front-end" Asterisk servers which have
> SIP trunks to external providers, and very simple dial plans, and some "back-
> end" servers which only talk to the front-end machines, and have the majority
> of my dialplan logic on them.
> I use Dial() commands with custom SIP headers to pass information (eg: about
> the current state of a call) between the front-end and back-end machines, and
> this works very well.
> However, I can't use a Dial() command in the h extension to notify the other
> machines that a call has ended and they can now delete their state information
> about that call. If I try to, I get the error:
> app_dial.c:2245 in dial_exec_full: Caller hung up before dial.
> I guess i can see why Asterisk complains about being asked to Dial() after the
> inbound call leg has ended, but in this case I have a reason for doing so.
> Can anyone suggest how I might be able to do this? I need to perform a Dial()
> command after an inbound channel has hung up. I do not expect the Dial() to
> bridge to anything (the context being dialled simply does some database
> manipulation and then hangs up without even bothering to answer).
> Any suggestions welcome :)
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