[Asterisk-Users] hanging up call after launching a script, script should continue independently

[Christian B]

hello!

i'm trying to implement a callback feature. to accomplish this, i've
written a python script(callback.agi) that starts another script as a
independent process(with spawnl), without asterisk waiting for the
other script (callback_dead.sh) to finish before it goes to the next
extension. running it on the commandline seems to work, the script
starts the other script and finishes(process dies), the second script,
which assignment is to sleep for a while and create a callfile then, is
alive until it has run completely. while this is working as expected
when started from the commandline it doesn't work as it should when it
is called with the agi/deadagi-command from the asterisk-dialplan. my
dialplan looks like this:

exten => X,1,DeadAgi(callback.agi,${CALLERIDNUM},${SERVICENO})
exten => X,n,Hangup

So asterisk should start the callback.agi(which calls the second script)
and then do the hangup(so the caller hears a status and has a free
channel on his (pstn-)phone to receive the callback). since the second
script is called as a individual process, i'd expect that asterisk does
the hangup as soon as the first script has finished, but it waits till
the second script has finished too (which sleeps for 15s). Also doing a
"EXEC HANGUP" doesn't work, as the channel has not been answered(Which
is a requirement for the callback functionality). Is there a way to let
asterisk run the first script without waiting for the second script to
finish? see the attachment (first script is python, second is bash
because i started with bash, changed the first script to python but was
too busy to adapt the second too).

regards
Christian Benke

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