[Freeswitch-users] exec_after*

[Michael Collins]

On Mon, Oct 18, 2010 at 12:40 PM, Sergey Okhapkin
<sos at sokhapkin.dyndns.org>wrote:

> The "h" extension in asterisk is a feature I used extensively. Lack of a
> hangup dialplan handler makes DP programming in FS harder and less clear.
>

That's what api_hangup_hook is for. Call ends, do an API that can do pretty
much anything you can imagine and you're done. You can even set
session_in_hangup_hook to true so that you have the channel's variables
available even though the channel has been disconnected.

> Fortunately, CDR handlers allow to do some post call cleanup work, but in-
> dialplan implementation would be much better and clearer.
>
Much better? No. Much clearer, possibly. The benefits of not doing cleanup
work in the dialplan AFTER the channel has gone away far outweigh the
drawbacks. Use api_hangup_hook and session_in_hangup_hook=true. Doing this
stuff outside the dialplan is more efficient and less error-prone.

-MC
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