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

[Lợi Đặng]

Hi Vladyslav,
many thanks for your reply, but I don't want the Caller receive my custom
header(s), so I intend to disable the copying.

I just want to export a flag variable to the channel so that I could
retrieve it later.

rgds,
Loi Dang

Loi Dang Thanh
Phone : +84. 1224.735.448
Email : loi.dangthanh at gmail.com

On Thu, Aug 10, 2017 at 6:32 PM, Vladyslav Zakhozhai <v.zakhozhai at gmail.com>
wrote:

> 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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>
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