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<p class="MsoNormal">To FreeSWITCH Users,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I have a need to have the FreeSWITCH originate API command to return ASAP (and not wait for 200 OK SDP (ie. CONNECT)).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My FreeSWITCH version is the latest production release 1.6.13.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is easy to test from fs_cli:<o:p></o:p></p>
<p class="MsoNormal"><b>originate {call_timeout=45,ignore_early_media=true,return_ring_ready=true}sofia/gateway/mygateway/xxxxxxxxxx;user=phone 5000<o:p></o:p></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Where: xxxxxxxxxx = outbound phone number<b><o:p></o:p></b></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><u>After looking at my SIP Trunk provider’s SIP Flow the following happens:<o:p></o:p></u></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Tx: INVITE SDP<o:p></o:p></p>
<p class="MsoNormal">Rx: 100 Trying<o:p></o:p></p>
<p class="MsoNormal">Rx: 183 Session Progress SDP<o:p></o:p></p>
<p class="MsoNormal">Tx: RTP {early media}<o:p></o:p></p>
<p class="MsoNormal">Rx: 180 Ringing<o:p></o:p></p>
<p class="MsoNormal">Rx: 200 OK SDP<o:p></o:p></p>
<p class="MsoNormal">Tx: ACK<o:p></o:p></p>
<p class="MsoNormal">Rx: BYE<o:p></o:p></p>
<p class="MsoNormal">Tx: 200 OK<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Based on the above flow, I understand that since 183 SDP is received then the 180 Ringing is not used by FreeSWITCH (based on reading other comments on this topic), therefore what settings should I use inside the originate command in order
for the originate API call to return and start service 5000 flow when 183 SDP is received.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><u>My questions:<o:p></o:p></u></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">1)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Should ignore_early_media=true or ignore_early_media=false or ignore_early_media=ring_ready for originate to return when 183 SDP is received?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Will return_ring_ready=true have no affect based on the above call flow?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="mso-list:Ignore">3)<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Are there any other settings that I should use to enable originate to return when 183 SDP is received?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-AU">Kind Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-AU"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-AU">Andrew Keil<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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