<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_ym19_1_1466419126703_75183"><span id="yui_3_16_0_ym19_1_1466419126703_75182">Actually the only difference that I see in RTP dumps - is that the Yate client SIP softphone sends the first RTP packet as :</span></div><div id="yui_3_16_0_ym19_1_1466419126703_75183"><span><br></span></div><div id="yui_3_16_0_ym19_1_1466419126703_75183">Version = 0;<br></div><div id="yui_3_16_0_ym19_1_1466419126703_75183"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1466419126703_75319">and other packets are normal(comply to the rfc3550.<span><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1466419126703_75318"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1466419126703_75318">Probably this is the cause of the problems.</div><div dir="ltr" id="yui_3_16_0_ym19_1_1466419126703_75318"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1466419126703_75318"><br></div><div id="yui_3_16_0_ym19_1_1466419126703_75429"><span><br></span></div><div dir="ltr"><br></div> <div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" style="display: block;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 12px;"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div dir="ltr"><font size="2" face="Arial"> On Tuesday, June 21, 2016 9:46 AM, Dmitry <mbike2000ru@yahoo.com> wrote:<br></font></div> <br><br> <div class="y_msg_container"><div id="yiv0798275955"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69607">Hi</div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69607"><br></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69607" dir="ltr">1)</div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69607" dir="ltr">I encountered such errors when I make an internal call between 2 yate client SIP softphones:</div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69607" dir="ltr">rtpengine is used and no audio:</div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69607" dir="ltr"><br></div><table cellspacing="0" border="1" id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69648">
<colgroup id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69649"><col width="836" id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69650"></colgroup>
<tbody id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69651">
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<td width="836" height="34" align="LEFT" id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69653"><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69849"><span id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69654"><font id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69655">Jun 19 10:02:35 kazootest2 rtpengine[2066]: [918508371@kazootest2.siplabs.local port 30942] Error parsing RTP header: short packet (header)</font></span></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69813"><span><font><br></font></span></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69813"><span id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69857"><font id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69856">when I turn off the rtpengine:</font></span></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69813" dir="ltr"><span id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69836"><font id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69835">THe Freeswitch handles such RTP packets correctly and audio is ok.</font></span></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69813" dir="ltr"><br></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69813" dir="ltr"><span id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69905"><font id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69904">I compared manually rtp packets from Yate: they comply to the RTP specification.</font></span></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69813" dir="ltr"><span><font><br></font></span></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69813" dir="ltr"><span><font>2) A call from WS client(jssip) to an ordinary sip softphone:</font></span></div><div dir="ltr" id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_70022"><table cellspacing="0" border="1" id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_70021">
<colgroup><col width="836"></colgroup>
<tbody id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_70020">
<tr id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_70019">
<td width="836" height="34" align="LEFT" id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_70018"><span id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_70024"><font id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_70023">Jun 19 09:58:36 kazootest2 rtpengine[2066]: [s2m2k70tu0d12bjnnamr port 30814] Error parsing RTP header: invalid header version<br><br><br></font></span></td>
</tr>
</tbody>
</table></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69813"><span><font><br></font></span></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69858">How to fix these errors?</div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69858"><br></div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69858" dir="ltr">The rtpengine looks through all incoming packets while looking for a new RTP stream. May be packets parsing is too strict? </div><div id="yiv0798275955yui_3_16_0_ym19_1_1466419126703_69858" dir="ltr"><br></div></td>
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</table></div></div></div><br><br></div> </div> </div> </div></div></body></html>