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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'>Hi Harshal,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'>Re-Invite is to put caller on/off hold during call transfer. Not hearing the CSAT survey indicates SIP/RTP setup issues between Avaya and IVR. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:black'>Ellen<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> discussion-bounces@sipforum.org [mailto:discussion-bounces@sipforum.org] <b>On Behalf Of </b>Harshal Patel<br><b>Sent:</b> Tuesday, September 26, 2017 5:40 PM<br><b>To:</b> discussion@sipforum.org<br><b>Subject:</b> [SIPForum-discussion] Re-Invite without SDP, No Audio Issue<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hello Members,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We have a quick question for our propriety SIP IVR deployment with Avaya 6.3.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Avaya sends "SIP IVR" a Re-Invite after Agent(Avaya) tries to connect to "SIP IVR" for CSAT application. Meaning Agent is now connecting "original caller" to IVR CSAT application.<o:p></o:p></p></div><div><p class=MsoNormal>This Re-Invite does not have SDP.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><ol start=1 type=1><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><b>Should the SIP IVR put the audio on hold ? because no SDP is present.</b><o:p></o:p></li><li class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1'><b>Or Should the SIP IVR neglect the Re-INVITE and continue with the call?</b><o:p></o:p></li></ol><div><p class=MsoNormal><o:p> </o:p></p></div></div><div><p class=MsoNormal>The issue is caller is not able to hear the CSAT survey.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>We checked the RFC & it states:<o:p></o:p></p></div><div><p class=MsoNormal> <span style='font-size:10.0pt;color:black'>a UAC MAY send a re-INVITE with no session description, in which case the first</span><o:p></o:p></p></div><div><pre><span style='color:black'> reliable non-failure response to the re-INVITE will contain the offer<o:p></o:p></span></pre><pre><span style='color:black'> (in this specification, that is a 2xx response).<o:p></o:p></span></pre><pre><span style='color:black'><o:p> </o:p></span></pre><pre><span style='color:black'>But we do not see anything in regards to audio.<o:p></o:p></span></pre><pre><span style='color:black'><o:p> </o:p></span></pre><pre><span style='color:black'>Appreciate if you can provide any link - that describes the path to approach in the above case.<o:p></o:p></span></pre><pre><span style='color:black'><o:p> </o:p></span></pre><pre><span style='color:black'>Thank you<o:p></o:p></span></pre><pre><span style='color:black'>Harshal<o:p></o:p></span></pre></div></div></div></body></html>