[asterisk-app-dev] ARI - ChannelCreated event

[Chris Bestall]

Thank you for the detailed explanation!  Looks like there was a bug
fix/enhancement included in 12.5 that allows subscribing to technologies.
I am on 12.4 currently.  I will try that global subscription when I do
though.

-Chris

On Tue, Sep 30, 2014 at 11:58 AM, Matthew Jordan <mjordan at digium.com> wrote:

>
> On Tue, Sep 30, 2014 at 10:33 AM, Chris Bestall <chris.bestall at gmail.com>
> wrote:
>
>> Why is there an ARI data model for this event if it cannot be received?
>>
>>
>> https://wiki.asterisk.org/wiki/display/AST/Asterisk+12+REST+Data+Models#Asterisk12RESTDataModels-ChannelCreated
>>
>> On Tue, Sep 30, 2014 at 10:20 AM, Scott Griepentrog <
>> sgriepentrog at digium.com> wrote:
>>
>>> The ChannelCreated event exists internally (and you can receive it with
>>> AMI).  However, the channel is created first, then it enters the stasis app
>>> -- thus the stasis app does not receive the channel created event because
>>> it's not associated with the channel yet.
>>>
>>>
>>>
> Well.... it can be received. It's just rare.
>
> Generally, a StasisStart event indicates when a channel enters into your
> application. When that occurs, you get a subscription to the channel. When
> the channel leaves (indicated by StasisEnd), that subscription is
> terminated.
>
> If you persisted the subscription via the applications resource, then
> you'd get the slightly less elusive ChannelDestroyed event.
>
> So how do you get the ChannelCreated? And when?
>
> By subscribing for an endpoint via the applications resource. Subscribing
> to an endpoint also subscribes you to any channels created for that
> endpoint. Likewise, subscripting to an endpoint's technology subscribes you
> to all endpoints, which subscribes you to all channels for those endpoints.
> (This is how you can make a 'show me the world via ARI' - albeit a more
> specific slice of the world). If you do that, you'll get the ChannelCreated
> events when a channel is made that is associated with an endpoint.
>
> Matt
>
> --
> Matthew Jordan
> Digium, Inc. | Engineering Manager
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
> Check us out at: http://digium.com & http://asterisk.org
>
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