<div style="font:14px/1.5 'Lucida Grande', '微软雅黑';color:#333;"><p style="font:14px/1.5 'Lucida Grande';margin:0;"><br></p><div class="foxmail_blockquote_fromhere_element" style="font: 12px/1.5 'Lucida Grande';padding:2px 0 2px 0;"><span style="color:#333;text-decoration:line-through;white-space:pre-wrap;"> </span> Original Message <span style="color:#333;text-decoration:line-through;white-space:pre-wrap;"> </span></div><div style="font: 12px/1.5 'Lucida Grande';background:#efefef;color:#666666;padding:8px;"><div><b style="color:#999;">Sender:</b> Eric Wieling<EWieling@nyigc.com></div><div><b style="color:#999;">Recipient:</b> Asterisk Users Mailing List - Non-Commercial Discussion<asterisk-users@lists.digium.com></div><div><b style="color:#999;">Date:</b> mercoledì, giu 4, 2014 17:17</div><div><b style="color:#999;">Subject:</b> Re: [asterisk-users] Renegotiate SIP audio codec after call is up</div></div><br><div class="mail_quote_1D06D8CE2E8F455387440F5A07FBC8FA" style="font: 14px/1.5 'Lucida Grande';color:#333;"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="Generator" content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">>How many g729 Licenses do you have? </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p>Hi, </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p>I have a lot of licenses, about 100.</o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p><br></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p><br></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p>Regards,</o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p>Matteo </o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p><br></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p><br></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p><br></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""> <a href="mailto:asterisk-users-bounces@lists.digium.com" title="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a> [mailto:<a href="mailto:asterisk-users-bounces@lists.digium.com" title="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a>] <b>On Behalf Of </b>Matteo Campana<br><b>Sent:</b> Wednesday, June 04, 2014 10:48 AM<br><b>To:</b> asterisk-users<br><b>Subject:</b> [asterisk-users] Renegotiate SIP audio codec after call is up<o:p></o:p></span></p></div><p class="MsoNormal"><o:p> </o:p></p><div><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333">Hi All,<o:p></o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333">Asterisk from 11.X branch is able to renegotiate an audio codec after a </span><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:black">SIP call session has been established (INVITE and 200 OK)?</span><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333"><o:p></o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333"><o:p> </o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:black">I have a problem with a reinvite sent by our SIP provider to change audio codec due to the recognition of a fax tone: after the call is established in g729, after a while I have the reinvite sent by the SIP provider with g711 in the SDP; Asterisk (v 1.4.33.1) says "Oooh, we need to change our audio formats since our peer supports only g729" and sends back 200 OK to the provider; at this point I have one no audio.</span><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333"><o:p></o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:black"> </span><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333"><o:p></o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:black">So it seems that Asterisk responds 200 OK to the reinvite but really can not change the codec.</span><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333"><o:p></o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:black">Is that correct?</span><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333"><o:p></o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333"><o:p> </o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333">Best regards,<o:p></o:p></span></p><p style="margin:0in;margin-bottom:.0001pt"><span style="font-size:10.5pt;font-family:"Lucida Grande","serif";color:#333333">Matteo<o:p></o:p></span></p></div></div></div></div></div>