[Freeswitch-users] ESL for subscribing Channel Events

[Colin Morelli]

Obviously this largely depends on your use case, but if you're just looking
to receive events of things happening in FS (and not trying to control FS
through ESL), using something like mod_amqp may be a better choice. You'll
remove the complexity of having to connect to the FS instances directly,
and buy the flexibility of processing the events however you want. You're
also less likely to miss events due to application errors (assuming that
your AMQP host is more "reliable" than your application).

On Thu, Dec 1, 2016 at 9:53 AM, Michael Jerris <mike at jerris.com> wrote:

> If you want to get those events just connect to ESL and subscribe to
> them.  Are you saying you want to have a connection per channel but include
> create events?  You would have a chicken and egg problem there but in that
> case what do you actually need the create event for, surely another event
> can be used instead.
>
> > On Dec 1, 2016, at 5:00 AM, Lợi Đặng <loi.dangthanh at gmail.com> wrote:
> >
> > Hi List, I want, but is unable to subscribe to 2 events CHANNEL_CREATE
> and CHANNEL_DESTROY using ESL.
> >
> > In a normal call caller <--> FS <--> callee, 2 CHANNEL_CREATE and 2
> CHANNEL_DESTROY events fired and captured is my expectation.
> >
> > I achieved it easily via writing a new FS module in C. But I have some
> portion of python codes needed to be executed, so I tried alternative (my
> thought) way:
> > - ESL inbound mode, but inbound connection is not bound to any
> particular channel
> > - ESL outbound mode, but outbound connection is created from dialplan,
> so I guess CHANNEL_CREATE event could not be captured.
> > - set up hangup_hook with mod_python, but python application is also
> called from dialplan.
> >
> > Please correct me if I'm wrong somehow, and give me some advices for
> what I'm trying to accomplish, since I don't want to rewrite my python code
> in C.
> >
>
>
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