<div dir="ltr">Hello Calvin,<br><div><br></div><div>Just making a quick search I got the following:</div><div><br></div><div><span style="color:rgb(32,33,36);font-family:arial,sans-serif;font-size:16px">Hi This 200 OK without SDP </span><b style="color:rgb(32,33,36);font-family:arial,sans-serif;font-size:16px">is acceptable</b><span style="color:rgb(32,33,36);font-family:arial,sans-serif;font-size:16px"> as the answer SDP has already been received in a reliable non-failure response. Refer RFC 3262 (Sec 5 The Offer/Answer Model and PRACK): If the INVITE contained an offer, the UAS MAY generate an answer in a reliable provisional response (assuming these are supported by the UAC).</span><br></div><div><span style="color:rgb(32,33,36);font-family:arial,sans-serif;font-size:16px"><br></span></div><div><span style="color:rgb(32,33,36);font-family:arial,sans-serif;font-size:16px">Also I would add that the carriers having this behavior are many and big ones, the UAC not supporting this response are mostly asterisk ( maybe something may need to be fine tuned).</span><br></div><div><span style="color:rgb(32,33,36);font-family:arial,sans-serif;font-size:16px"><br></span></div><div><span style="color:rgb(32,33,36);font-family:arial,sans-serif;font-size:16px">Thank you for your comments!</span></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 15, 2021 at 1:20 PM Calvin Ellison <<a href="mailto:calvin.ellison@voxox.com">calvin.ellison@voxox.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">This doesn't answer your question: I'm curious if that is a broken behavior from the party sending the 200 without SDP. It is my understanding that all subsequent 18x and the 200 must use the same SDP if no UPDATE has taken place in the meantime. Please, correct me if that is a misunderstanding.<div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><span><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:"Proxima Nova",sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:800;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:"Proxima Nova",sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:800;vertical-align:baseline;white-space:pre-wrap"><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:"Proxima Nova",sans-serif;color:rgb(0,0,0);background-color:transparent;font-weight:800;vertical-align:baseline;white-space:pre-wrap">Calvin Ellison</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:"Proxima Nova",sans-serif;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">Systems Architect</span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:"Proxima Nova",sans-serif;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><a href="mailto:calvin.ellison@voxox.com" target="_blank">calvin.ellison@voxox.com</a></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><span style="font-size:10pt;font-family:"Proxima Nova",sans-serif;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap">+1 (213) 285-0555</span><span style="font-size:2.25pt;font-family:"Proxima Nova",sans-serif;color:rgb(0,0,0);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><br><br></span></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><a href="http://voxox.com" target="_blank"><span style="font-size:10pt;font-family:"Proxima Nova",sans-serif;color:rgb(17,85,204);background-color:transparent;vertical-align:baseline;white-space:pre-wrap"><span style="border:none;display:inline-block;overflow:hidden;width:139px;height:53px"><img src="https://lh5.googleusercontent.com/IpUfF3j5Y4T9UmEfLISsHXhgSenc131vheivxwdo6oyzyT1i5KfVnK8cftA1Qx-APliNpMTLx5PUOZ6k1lXHgMZvDXTXKkOWDpmXMlUcmsoKBZQIE_wip4sS8XMtdryakordMboW" width="139" height="53" style="margin-left: 0px; 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Any unauthorized use, distribution, or copying of this communication is strictly prohibited. If you have received this communication in error, please notify me immediately.</span></p></span></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Sep 15, 2021 at 10:02 AM Mario San Vicente <<a href="mailto:mrsanvicente@gmail.com" target="_blank">mrsanvicente@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">Hello Everyone,<div><br></div><div>has anyone face the following issue: customer not accepting 200ok with no SDP as valid. Previously an 18[03] with SDP was sent, but the final answer is 200 ok with no SDP from the termination leg. So i was wondering if there is a way to store the SDP and the append it to answering 200ok.</div><div><br></div><div>Client --> Opensips as Proxy + rtpproxy --> Termination Leg</div><div><br></div><div><br></div><div>Thank you in advance.</div><div><div dir="ltr"><div>Mario SV<br></div></div></div></div>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div>Mario San Vicente</div>
<div>Cheers!</div></div>