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@fcnetwork.com> wrote:
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
Thanks!
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