That 100 trying is handled deep in the sip stack.<br>The author of sofia said it would be a big job to bring that up to the even callback.<br>Someone may be able to persuade him to allow you to pass a global timeout waiting for 100 <br>
or something but no solution exists atm<br><br><br><div class="gmail_quote">On Tue, Apr 21, 2009 at 3:32 AM, John Dalgliesh <span dir="ltr"><<a href="mailto:johnd@defyne.org">johnd@defyne.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>
Hi,<br>
<br>
I am trying to use FS to make outgoing SIP calls. I have a number of<br>
gateways that can make the call. However, if one of them is down or has<br>
some other problem then I would like to detect that quickly.<br>
<br>
I intended to use the provisional '100 Trying' message for this... if it<br>
hasn't been received in a couple of seconds then go on and try the next<br>
gateway.<br>
<br>
But I can't find a flag/event/state which corresponds to receipt of this<br>
message. Can anyone tell me where I should be looking? I put a debug print<br>
in sofia_event_callback for every event but there doesn't seem to be one<br>
fired for this condition.<br>
<br>
Thanks in advance.<br>
<br>
{P^/<br>
John<br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Anthony Minessale II<br><br>FreeSWITCH <a href="http://www.freeswitch.org/">http://www.freeswitch.org/</a><br>ClueCon <a href="http://www.cluecon.com/">http://www.cluecon.com/</a><br>
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