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</o:shapelayout></xml><![endif]--></head><body lang=SV link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>Try to enable rtp-rewrite-timestamps according to <a href="http://wiki.freeswitch.org/wiki/RTP_Issues#Dropped_Audio">http://wiki.freeswitch.org/wiki/RTP_Issues#Dropped_Audio</a>, that might help.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>/Peter<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Från:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] <b>För </b>Chris Martineau<br><b>Skickat:</b> den 21 december 2011 13:33<br><b>Till:</b> FreeSWITCH Users Help<br><b>Ämne:</b> Re: [Freeswitch-users] rtp timestamp issue on pickup<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'>Thanks for the reply,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'>Looking at the wireshark it doesn’t seem to activate the mark bit again?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'>It’s not that freeswitch lowers the ts it is just forwarding the incoming timestamp which is out of synch with the timestamp of the parked call, maybe this is why it is not being set?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'>Any other ideas?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'>Chris<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] <b>On Behalf Of </b>Peter Olsson<br><b>Sent:</b> 21 December 2011 09:51<br><b>To:</b> 'freeswitch-users@lists.freeswitch.org'<br><b>Subject:</b> Re: [Freeswitch-users] rtp timestamp issue on pickup<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>If FS lowers the timestamp FS activates the mark bit, which should cause the client to be able to handle this correctly.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'>/Peter<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b>Från:</b> freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] <b>För </b>Chris Martineau<br><b>Skickat:</b> den 21 december 2011 10:33<br><b>Till:</b> freeswitch-users@lists.freeswitch.org<br><b>Ämne:</b> [Freeswitch-users] rtp timestamp issue on pickup<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB>Hi,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>My specific application requires an incoming call to pickup an existing waiting call.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>The first call is terminated and parked.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>The second call rings in and uses intercept to then connect it to the waiting call.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>The problem I have is that the second call has a lower rtp timestamp than the waiting call causing the client codec to wait until it catches up?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>i.e client incoming rtp stream timestamp effectively looks like this ...<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>existing stream from freeswitch<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>37920<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>38080<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>38240<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>On intercept the timestamps then become that of the other calls stream<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>3040<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>3200<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>...<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>The client then doesn’t get any incoming voice until the new timestamps catch up!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Is there any way to set freeswitch to maintain the timestamps?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Should the client allow for this?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Any ideas would be greatly appreciated.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Chris <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:12.0pt;font-family:"Times New Roman","serif"'>!DSPAM:4ef1d21e32762117429169! <o:p></o:p></span></p></div></body></html>