[Freeswitch-users] How to export variable downstream on execute_on_answer?

[Vladyslav Zakhozhai]

Hello,

https://wiki.freeswitch.org/wiki/Variable_sip_copy_custom_headers

I'm not sure but this link may help you.

On Thu, Aug 10, 2017 at 2:24 PM, Lợi Đặng <loi.dangthanh at gmail.com> wrote:

> Hi guys, I have a simple call scenario:
> *Caller -> FS -> Callee*
> Callee answer the call with an additional header called X-MyVar in 200 OK.
> I'm trying to store that value only for reporting via
> CHANNEL_HANGUP_COMPLETE - event socket.
>
> I'm retrieving that custom header by looking at ${sip_rh_X-MyVar} via
> *execute_on_answer* on B leg, and it's fine. But I'm unable to export it
> to the A leg.
> Here's my dialplan:
>
>
>
>
>
>
>
> *<extension name="logvar">    <condition field="destination_number"
> expression="^logvar$">        <action application="export"
> data="myvar=${sip_rh_X-MyVar}"/>    </condition></extension><action
> application="bridge" data="{execute_on_answer=execute_extension logvar XML
> external}sofia/external/${destination_number}"/>*
>
> I don't want X-MyVar header to be passed to Caller, so I have to export
> the variable.
> But when CHANNEL_HANGUP_COMPLETE fires, the variable *variable_myvar*
> present only in the outbound B leg. Look like my export did not work.
> Note that I have some upstream exports from A leg to B leg in normal XML
> dialplan and they're all fine.
>
> Below is my fs_cli log: 192.168.1.100 is my FS.
>
>
>
> *Dialplan: sofia/external/400 at 192.168.1.100:5060
> <http://400@192.168.1.100:5060> Action
> export(myvar=${sip_rh_X-MyVar})2017-08-10 17:27:29.958572 [NOTICE]
> switch_core_session.c:2913 Execute export(myvar=${sip_rh_X-MyVar})EXECUTE
> sofia/external/400 at 192.168.1.100:5060 <http://400@192.168.1.100:5060>
> export(myvar=598c35116ee949.25824485)2017-08-10 17:27:29.958572 [DEBUG]
> switch_channel.c:1296 EXPORT (export_vars)
> [myvar]=[598c35116ee949.25824485]*
>
> Not sure what I'm missing in this case.
> Any help would be appreciated.
> rgds,
> Loi Dang
>
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-- 
С уважением,
Владислав Захожай
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