[Freeswitch-users] sessions and CS_INIT events

[Stanislav Sinyagin]

why at all do you need it to be a C module inside FreeSWITCH?

Why not writing an ESL program which would subscribe to events and
perform the needed actions?

How about the following scenario:

1. In the XML dialplan, you execute "park" application on the incoming call.

2. Your program is listening to events via ESL, and it recognizes that
a channel has been parked

3. Your program starts to playback the ringback tone into that channel

4. Your program performs all the needed lookups and sets needed
variables on the channel

5. Your program transfers or bridges the call where needed.

This is quite easy to implement in any programming language of your
choice, easy to debug, and it's easily scalable. It can be done in a
multi-threading fashion, like Go or Erlang, or even Java, and perform
as many parallel calls as required.

quite easy, and you don't have to mess with FreeSWITCH internals :)






On Thu, Mar 5, 2015 at 4:07 AM, Juan Pablo L.
<jpablolorenzetti at hotmail.com> wrote:
> Hi, i m writing a module in C that needs to check for certain information in
> a
> database for the caller and the destination number,
> for this the module is subscribing to the CS_INIT channel events, so
> everytime a channel is created
> the module callback is called and it checks the numbers,
> the problem is that the callback gets called twice,
> for the creation of the a-leg of the call and the creation of the b-leg.
> Is there any way to accomplish what i m trying to do ?
> Am i doing it the wrong way?
> I have already try getting testing for the flags in the channel but it did
> not work,
> testing of originator or originating does not yield anything ....
>
> i might be doing it wrong maybe ?
>
> Thanks!
>
>
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