[Freeswitch-users] Fwd: Originating a call between an user and mod_httapi-based IVR service - passing some correlation ID

[Rafal Gwizdala]

Hi Michael
I already have the Freeswitch 1.2 book and it's been a great help so far
(without it i'd be lost completely).
But even after reading the book I'm not sure how to answer my second
question (the one about correlating the originate call with later
mod_httapi callback).
Of course I could use the destination phone number as a correlation ID but
this can cause some problems in future when the processes become more
complex.
So, to be more specific, i'd like to share some unique ID between the
originate ESL call and  mod_httapi callback later so I can identify these
two calls as belonging to same process in my application.
The session_id would be a nice candidate but i don't know if it's possible
to get the session_id from the originate call. If not, maybe I could set
some custom variable in the originate call so that the same variable would
be sent back to me by mod_httapi? Do you have some 'best practices' for
such situation?

Rafal



On Thu, Jun 6, 2013 at 9:51 PM, Michael Collins <msc at freeswitch.org> wrote:

> Welcome to FreeSWITCH!
>
> Yes, inbound ESL is fine for originating the call. I recommend doing some
> tests with originate and dumping all of the information that comes into the
> HTTAPI request so that you can get an idea of what values you have to
> choose from.
>
> As a shameless plug I will highly recommend the FreeSWITCH Cookbook<http://link.packtpub.com/nuIOlX>and FreeSWITCH
> 1.2 <http://www.packtpub.com/freeswitch-1-2/book> book. They will get you
> up and running as quickly as possible.
>
> Thanks,
> Michael
>
>
>
> On Thu, Jun 6, 2013 at 12:18 PM, Rafal Gwizdala <rafal.gwizdala at gmail.com>wrote:
>
>>
>>
>> Hi, i'm just beginning to learn FreeSwitch and have a quick question to
>> you
>> I want to implement an automated IVR-like service that will be used for
>> calling selected customers and performing a survey/collecting some data
>> from them.
>> I decided to use mod_httapi for handling the calls, but since my
>> application will be calling the customers I need to initiate the call too.
>> I'd like to do that using an inbound event socket, by sending 'originate'
>> command.
>> And my questions are:
>> 1. Is this a correct approach, or maybe there's a better method of
>> initiating such call?
>> 2. How to pass some correlation id when originating the call so that it
>> would be delivered back to my application with mod_httapi request? I just
>> need to correlate the initiation of the call with the call handler code
>> that will be invoked later.
>>
>> Thanks and best regards
>> Rafal
>>
>>
>>
>> _________________________________________________________________________
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>>
>> 
>> 
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>
>
> --
> Michael S Collins
> Twitter: @mercutioviz
> http://www.FreeSWITCH.org
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>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> 
> 
>
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>
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