asterisk users - Jun 2018 - shell dialplan application blocking

I'm calling a script which needs to wait a certain time and also hold the
call for this time. But the script dialplan application seems to work non
blocking. Is there a way to hold the call/dialplan till the shell script is
finished?

   same => n,Set(PUSHRESULT=${SHELL(sendpush.sh)})
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Use AGI

Kind regards,

Matt
> On Jun 4, 2018, at 02:28, Benjamin Marty <benjamin.marty at
gmail.com> wrote:
> 
> I'm calling a script which needs to wait a certain time and also hold
the call for this time. But the script dialplan application seems to work non
blocking. Is there a way to hold the call/dialplan till the shell script is
finished?
> 
>    same => n,Set(PUSHRESULT=${SHELL(sendpush.sh)})
> 
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