it's against the SIP spec to re-negotiatešmedia before you have answered.<div>the transaction to negotiate the SDP from the original call has not completed so it's illegal to send a re-invite.</div><div><br></div><div>
instead you should use bypass_media_after_bridge=true so the bypass only happens when the bridge works.</div><div><br><br><div class="gmail_quote">2010/5/27 Sergey Scheglov <span dir="ltr"><<a href="mailto:sid@eltc.ru">sid@eltc.ru</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div>
<p>Hi, Anthony.</p>
<p><br></p>
<p>You wrote 27 may 2010 Ç., 20:34:15:</p><div class="im">
<p><br></p>
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<p><span>playback executes on line 87 of your trace.</span></p>
<p><br></p>
<p><span>If you do not hear the audio, It means the re-establishment of media fails somehow based on your topology or</span></p>
<p><span>the phone you are on does not support early media, change your pre-answer before the playback to answer to verify.š</span></p>
<p><br></p>
<p><span>Try adding sofia profile internal siptrace on to see the sip traffic too.</span></p>
<p><br></p>
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<p><br></p>
<p><br></p>
<p><span>> playback executes on line 87 of your trace.</span></p>
<p><br></p>
</div><div class="im"><p>yes, but executed by log after 30 seconds after line 84 and immediately hangup.</p>
<p>Note, duration wav file - 4 sec.</p>
<p><br></p>
</div><div class="im"><p><span>> If you do not hear the audio, It means the re-establishment of media fails somehow based on your topology or</span></p>
<p><span>the phone you are on does not support early media,š</span></p>
<p><br></p>
</div><div class="im"><p><span>I don't hear the audio, because FS don't send RTP traffic to my phone in early media mode (checked sniffers) in my case.š</span></p>
<p><span>If dialplans is:š</span></p>
<p><span><extension name="fail_balance"></span></p>
<p><span><condition field="${blabla}" expression="^\-1$"></span></p>
</div><p><span><action application="pre_answer"/></span></p><div class="im">
<p><span><action application="sleep" data="1000"/></span></p>
</div><p><span><action application="playback" data="elight/neg_balance.wav"/></span></p><div class="im">
<p><span><action application="hangup" data="BEARERCAPABILITY_NOTAUTH"/></span></p>
<p><span></condition></span></p>
<p><span></extension></span></p>
<p><span>then work's fine, no problems (bypass_media=true not set).š</span></p>
<p><br></p>
</div><div class="im"><p><span>> change your pre-answer before the playback to answer to verify.š</span></p>
<p><br></p>
</div><div class="im"><p>If setš<span>answer, problem disappears. But answer it's not for my case.š</span></p>
<p><br></p>
</div><div class="im"><p><span>> Try adding sofia profile internal siptrace on to see the sip traffic too.</span></p>
<p><br></p>
</div><div class="im"><p><span>Call log with sip traceš</span><span><a href="http://pastebin.freeswitch.org/13065" target="_blank">http://pastebin.freeswitch.org/13065</a></span></p>
<p><br></p>
<p>Thanks again :)</p>
<p><br></p>
<p><br></p>
<p><span>--š</span></p>
<p><span>Regard'sš</span></p>
<p><span>Sergey Scheglov</span></p>
</div></div>
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