[Freeswitch-users] Variable interpolation of bridge b leg

[mayamatakeshi]

Thanks,
I tried that but still it doesn't work.
The following dialplan (starting record_session 2 times) generates filenames
with the same UUID/TimeStamp:

<action application='set'
data='bridge_pre_execute_bleg_app=record_session'/>
<action application='set'
data='bridge_pre_execute_bleg_data=/recorded_sessions/file1_${uuid}_${strftime(%Y%m%d-%H%M%S)}.wav'/>
<action application='bridge' data='{execute_on_answer=record_session
/recorded_sessions/file2_${uuid}_${strftime(%Y%m%d-%H%M%S)}.wav}sofia/internal/
term1 at 127.0.0.1'/>

file1_b3b338d8-8e52-4077-8b41-0ddc587716da_20110401-222314.wav
file2_b3b338d8-8e52-4077-8b41-0ddc587716da_20110401-222314.wav

But I think there is a simple solution: I just have to use ESL to watch for
CHANNEL_ANSWER or set execute_on_answer=lua somescript.lua" and set the
filename inside the script.

br,
takeshi

On Fri, Apr 1, 2011 at 1:30 PM, Michael Collins <msc at freeswitch.org> wrote:

> Try this instead:
>
> http://wiki.freeswitch.org/wiki/Channel_Variables#bridge_pre_execute_bleg_app
> and
>
> http://wiki.freeswitch.org/wiki/Channel_Variables#bridge_pre_execute_bleg_data
>
> -MC
>
> On Thu, Mar 31, 2011 at 1:32 AM, mayamatakeshi <mayamatakeshi at gmail.com>wrote:
>
>> I am setting channel variable execute_on_answer in my call to application
>> bridge. Like this:
>>
>> <action application='bridge' data='{execute_on_answer=record_session
>> $${base_dir}/storage/recorded_sessions/${uuid}_${strftime(%Y%m%d-%H%M%S)}.wav}sofia/external/
>> DestinationNumber at 192.168.2.2' />
>>
>> The above works, and the application record_session is executed on the leg
>> b. However, the uuid it gets is from leg a, and the timestamp is from the
>> time bridge was executed, which as I understand, is happening because the
>> variable interpolation is performed at the moment the application bridge is
>> executed.
>> So, is there a way to delay variable interpolation to the instant the b
>> leg app is executed?
>>
>> br,
>> takeshi
>>
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