[Freeswitch-users] Need info on pre_answer app

[Jonas Gauffin]

I think that's the same as sending a provisional sip response. It
means that FS have received the call request, but it havent reached
the destination just yet.

One provisional response is 180 which means Ringing.
A final response (200) is sent when the destination user picks up the phone.

guess pre answer can be used if a lenghty process will be used before
the destination picks up, to inform the caller to hang on.

But hey, that's just my guess, i havent really been looking in the FS
sourcecode about it.

On Wed, Mar 5, 2008 at 8:05 PM, Michael Collins <mcollins at fcnetwork.com> wrote:
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> Is anybody in a position to update the wiki, or at least shed a bit of light
> on this subject?
>
> http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_pre_answer
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> Thanks!
>
> -MC
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