<div dir="ltr">You should avoid setting anything that rewrites timestamps, it will preserve the jitter perfectly into the rtp flow.<div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jun 29, 2020 at 3:36 PM Michel Brabants <<a href="mailto:michel.brabants@gmail.com">michel.brabants@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hey Andy,</div><div><br></div><div>not interested in the consulting myself, but as I have a small bit of using freeswitch as an sbc in the past, did you try to enable the option on your call to rewrite the rtp-timestamps? This may fix the first issue, depending on the exact sip-scenario.</div><div><br></div><div>
<span> <param name="<em>rtp</em>-<em>rewrite</em>-<em>timestamps</em>" value="true"/> ...</span> <br></div><div><br></div><div>You can do a lot with transfers in freeswitch. If it's a refer, you'll have to implement the refer-dialplan-part, but it has been a while and maybe I'm out-of-date :).<br></div><div><br></div><div>Just a quick idea that help you along maybe.<br></div><div><br></div><div>Kind regards,</div><div><br></div><div>Michem<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jun 29, 2020 at 8:44 PM Andy Newlands <<a href="mailto:andynewlands@gmail.com" target="_blank">andynewlands@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">We are using Freeswitch as the core of our UK-based SIP platform, which connects with main carriers in the UK, and have a couple of issues which we have been unable to properly resolve ourselves.  We are now seeking a Freeswitch expert who can assist in achieving resolution, on a consultancy/contract basis.<div><br></div><div>Where is the most appropriate place to find suitably qualified experts, with proven track-records and endorsements?</div><div><br></div><div>Layout is basically PSTN_CARRIER<->FS<-->CUSTOMER_PBX</div><div>(there are also proxies and FS-based SBCs (Kamailio))</div><div><br></div><div>At high-level, the issues are:</div><div><br></div><div><ul><li>Loss of RTP when a call is transferred or diverted by the CUSTOMER_PBX</li><li>Attempting to transfer a call from the CUSTOMER_PBX can result in ringback continuing, after the transfer-to endpoint answers (again, no RTP).</li><li>Behaviour varies depending on which PSTN_CARRIER calls are routed through (we have multiple interconnects)</li><li>We can see nothing obviously wrong in the call traces.</li></ul></div><div><div><div><div dir="ltr"><div dir="ltr"><div>Thank you</div><div><br></div>Kind regards,<div><br></div><div>Andy</div></div></div></div></div></div></div>
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<a href="https://freeswitch.com" rel="noreferrer" target="_blank">https://freeswitch.com</a></blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div style="font-size:12.8px"><font color="#000000"><br></font></div><div style="font-size:12.8px"><p dir="ltr" style="font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><font color="#000000">Brian West | Co-founder and Developer</font></span></p><p style="font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><font color="#000000">Need Commercial support? email <a href="mailto:sales@freeswitch.com" target="_blank">sales@freeswitch.com</a> </font></span></p><p dir="ltr" style="font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><font color="#000000">FreeSWITCH Solutions | <a href="https://maps.google.com/?q=17345+Civic+Drive+%232531+Brookfield,+WI+53045&entry=gmail&source=g" style="color:rgb(17,85,204)" target="_blank">17345 Civic Drive #2531 Brookfield, WI 53045</a></font></span></p><p dir="ltr" style="font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt"><font color="#000000"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Email: </span><span style="color:rgb(17,85,204);font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="mailto:brian@freeswitch.com" target="_blank">brian@freeswitch.com</a></span></font></p><p dir="ltr" style="font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><font color="#000000">Mobile: <span title="Call with Google Voice">918-424-9378</span></font></span></p><p dir="ltr" style="font-size:12.8px;line-height:1.38;margin-top:0pt;margin-bottom:0pt;margin-left:4.5pt"><font color="#000000"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Website: </span><a href="https://www.freeswitch.com/" style="color:rgb(17,85,204)" target="_blank"><span style="font-size:8pt;font-family:Arial;background-color:transparent;vertical-align:baseline;white-space:pre-wrap">https://www.FreeSWITCH.com</span></a></font></p><p dir="ltr" style="font-size:12.8px;line-height:1.2;margin-top:0pt;margin-bottom:0pt"><span style="background-color:transparent;font-size:9pt;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap"><a href="https://www.facebook.com/freeswitch" target="_blank"><img alt="https://www.facebook.com/signalwireinc?src=email" src="https://lh6.googleusercontent.com/AYfRoSNaDNtMPRMevPn_GqcVEMd5NDRFi0GlluGUWzV6I5TAY_3T2-Tt0IuIXeUtEdYsgNsM8DOYKRKhjmrG_-n2Ga-LCnoNk46sO8VyEma1sBFYdiGJcLRUvkrD1CYHN79qimeg" width="31" height="31" style="border: none;"></a> </span><span style="background-color:transparent;font-size:9pt;font-family:Tahoma;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap"><a href="https://twitter.com/freeswitch" target="_blank"><img alt="https://twitter.com/freeswitch" src="https://lh3.googleusercontent.com/W4SqXyybH2qdAozvtoKjcz736qOjk9LHDwldvs1ahc-WVU0putVMSsUH474KDrJ32jsqi6JDjyUWxqeEkN5I1xSlC5ShYrd1b8NIMUkDzDrtbWQfa6A_90UcygqesBtRLgeFirKa" width="31" height="31" style="border: none;"></a></span><br></p></div></div></div></div></div></div></div></div></div></div></div></div></div>