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<div style="direction: ltr;">Hi Tihomir,</div>
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<div style="direction: ltr;">Thankyou very much for the reply.</div>
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<div style="direction: ltr;">I have tried pre_answer (which sends the 183 with sdp) and the ring_ready (which as you know generates a 180 ringing ) but I only ever see the 183 sent back to the A leg, not both as I thought this was as design in Sofia?</div>
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<div style="direction: ltr;">Does this work for you or am I missing something?</div>
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<div style="direction: ltr;">Thanks!</div>
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<div style="direction: ltr;">Jon </div>
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<div class="acompli_signature">Get <a href="https://aka.ms/o0ukef">Outlook for iOS</a></div>
<div class="gmail_quote">_____________________________<br>
From: Tihomir Culjaga <<a dir="ltr" href="mailto:tculjaga@gmail.com" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="0">tculjaga@gmail.com</a>><br>
Sent: Wednesday, March 21, 2018 7:02 am<br>
Subject: Re: [Freeswitch-users] 183 early media" followed by 180 Ringing From Mobile Carriers<br>
To: FreeSWITCH Users Help <<a dir="ltr" href="mailto:freeswitch-users@lists.freeswitch.org" x-apple-data-detectors="true" x-apple-data-detectors-type="link" x-apple-data-detectors-result="1">freeswitch-users@lists.freeswitch.org</a>><br>
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Hi, im not sure about the callflow you have so i suppose its an incoming call from a carrier to freeswitch and you want to generate an inband ringback to the calling user. In that case you use pre_answer followed by ring_ready. Of course you set ringback var
to a tone or wav file so freeswitch can actually generate that inband.<br>
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On 19 Mar 2018, at 20:41, Jonathan Hunter <<a href="mailto:hunterj91@hotmail.com">hunterj91@hotmail.com</a>> wrote:<br>
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<div>Hi Guys,</div>
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<div>Sorry to bring this up again but I see it when performing interopt testing with mobile carriers.</div>
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<div>A number of them due to ISUP interworking, have gateways that generate a 183 with SDP, then a 180ringing.</div>
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<div>I understand from ready for example this jira case FreeSWITCHFS-3859 SOFIA "183 early media" followed by "180 Ringing" where <span style="font-size:12pt">this is done by design.</span></div>
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<div>I just wondered if this position had changed and if there is a configuration parameter/option that can allow any early media message <span style="font-size:12pt">to be sent back to A leg by freeswitch, in particular a 183 with SDP, then a subsequent 180
ringing, as carriers tend to </span><span style="font-size:12pt">want to see both.</span></div>
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<div>Many thanks</div>
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<div>Jon</div>
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