<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style><![endif]--><style><!--
/* Font Definitions */
@font-face
{font-family:"Cambria Math";
panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:Consolas;
panose-1:2 11 6 9 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
color:black;
mso-fareast-language:EN-US;}
h3
{mso-style-priority:9;
mso-style-link:"Überschrift 3 Zchn";
mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:13.5pt;
font-family:"Times New Roman","serif";
color:black;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:#0563C1;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:#954F72;
text-decoration:underline;}
code
{mso-style-priority:99;
font-family:"Courier New";}
pre
{mso-style-priority:99;
mso-style-link:"HTML Vorformatiert Zchn";
margin:0cm;
margin-bottom:.0001pt;
font-size:10.0pt;
font-family:"Courier New";
color:black;}
span.berschrift3Zchn
{mso-style-name:"Überschrift 3 Zchn";
mso-style-priority:9;
mso-style-link:"Überschrift 3";
font-family:"Times New Roman","serif";
mso-fareast-language:DE-CH;
font-weight:bold;}
span.E-MailFormatvorlage19
{mso-style-type:personal;
font-family:"Calibri","sans-serif";
color:windowtext;}
span.HTMLVorformatiertZchn
{mso-style-name:"HTML Vorformatiert Zchn";
mso-style-priority:99;
mso-style-link:"HTML Vorformatiert";
font-family:Consolas;
color:black;
mso-fareast-language:EN-US;}
span.E-MailFormatvorlage22
{mso-style-type:personal-reply;
font-family:"Calibri","sans-serif";
color:#1F497D;}
.MsoChpDefault
{mso-style-type:export-only;
font-size:10.0pt;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:70.85pt 70.85pt 2.0cm 70.85pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body bgcolor="white" lang="DE-CH" link="#0563C1" vlink="#954F72">
<div class="WordSection1">
<p class="MsoNormal"><span style="color:#1F497D">Here we go<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">IN<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">INVITE sip:41442742931@81.7.235.180:5060;transport=udp SIP/2.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Via: SIP/2.0/UDP 82.197.185.185;branch=z9hG4bKa368.02f63ac6.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Via: SIP/2.0/UDP 195.216.67.103:5060;branch=z9hG4bK008082590C36C1313E749FCBA4C6<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Route: <sip:82.197.185.186;lr=on><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">From: <sip:+41446512001@195.216.67.103;user=phone>;tag=008082590C36C1313BF6EF12E7F2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">To: <sip:+41442742931@82.197.185.185;user=phone>;tag=snl_0014532334<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Call-ID: e43880005082-533eb654-10953444-55d4a80-6bc5dd@127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">CSeq: 5466 INVITE<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">Contact: <sip:+41446512001@195.216.67.103:5060><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">Max-Forwards: 69<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">Content-Type: application/sdp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">Session-Expires: 1800;refresher=uas<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Supported: 100rel, timer, replaces<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Content-Length: 330<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">v=0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">o=- 82545395 2 IN IP4 195.216.67.103<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">s=session<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">t=0 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">m=audio 4550 RTP/AVP 8 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">c=IN IP4 195.216.67.120<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">a=rtpmap:8 PCMA/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">a=rtpmap:0 PCMU/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">a=sendrecv<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">m=image 4552 udptl t38<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">c=IN IP4 195.216.67.120<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">a=T38FaxVersion:0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">a=T38MaxBitRate:14400<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">a=T38FaxUdpEC:t38UDPRedundancy<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">a=T38FaxRateManagement:transferredTCF<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">OUT <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">INVITE sip:41442742931@81.7.235.180:5060;transport=udp SIP/2.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Via: SIP/2.0/UDP 82.197.185.186;branch=z9hG4bKa368.aca64b5.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Via: SIP/2.0/UDP 82.197.185.185;branch=z9hG4bKa368.02f63ac6.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Via: SIP/2.0/UDP 195.216.67.103:5060;branch=z9hG4bK008082590C36C1313E749FCBA4C6<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">From: <sip:+41446512001@195.216.67.103;user=phone>;tag=008082590C36C1313BF6EF12E7F2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">To: <sip:+41442742931@82.197.185.185;user=phone>;tag=snl_0014532334<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Call-ID: e43880005082-533eb654-10953444-55d4a80-6bc5dd@127.0.0.1<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">CSeq: 5466 INVITE<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">Contact: <sip:+41446512001@195.216.67.103:5060><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">Max-Forwards: 68<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">Content-Type: application/sdp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">Session-Expires: 1800;refresher=uas<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Supported: 100rel, timer, replaces<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">Content-Length: 188<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">v=0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">o=- 82545395 2 IN IP4 82.197.185.186<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">s=session<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">t=0 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CH" style="color:#1F497D">m=audio 64748 RTP/AVP 8 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">c=IN IP4 82.197.185.186<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="color:#1F497D">a=rtpmap:8 PCMA/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">a=rtpmap:0 PCMU/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">a=sendrecv<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">5037682.197.185.186<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="DE" style="color:windowtext;mso-fareast-language:DE-CH">Von:</span></b><span lang="DE" style="color:windowtext;mso-fareast-language:DE-CH"> sr-users-bounces@lists.sip-router.org [mailto:sr-users-bounces@lists.sip-router.org]
<b>Im Auftrag von </b>Daniel-Constantin Mierla<br>
<b>Gesendet:</b> Montag, 7. April 2014 10:40<br>
<b>An:</b> Kamailio (SER) - Users Mailing List<br>
<b>Betreff:</b> Re: [SR-Users] kamailio / rtpproxy - remove codec<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Hello,<br>
<br>
can you give the incoming sdp and outgoing sdp (both as text) when you are using sdp_remove_media, to see what gets malformed there?<br>
<br>
Cheers,<br>
Daniel<span style="font-size:12.0pt;mso-fareast-language:DE-CH"><o:p></o:p></span></p>
<div>
<p class="MsoNormal">On 07/04/14 08:37, Oliver Roth wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal">Hi all<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">We use kamailio 3.3.7 and rtpproxy for enduser call-termination.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">In case of a fax call, we get an invite from our carrier for codecs G711a/u and T38.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">As our termination carrier does not support T38 and because the invite contains G711 and T38 we get back error 488.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">How is it possible to remove the whole T38 part of this invite?</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">We tried<br>
sdp_remove_codecs_by_name(list) without success – what “name” should we use for T38? [T38, t38, t.38, T.38, …]<br>
sdp_remove_line_by_prefix(string)<br>
sdp_remove_media(type)</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">None of these functions did really work – best was the last one with type=image but then the sip header is malformed.</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">As we saw with Kamailio version 4.1.x there are a lot of new functions within sdpops. Would an upgrade help?</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">So basically the question is:</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">How to remove the t38 part of the fax invite? (see attachment)</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">KR,</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB">Oli</span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="mso-fareast-language:DE-CH"><img width="635" height="375" id="Grafik_x0020_1" src="cid:image001.png@01CF5259.0D7BFC30"></span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:DE-CH"><br>
<br>
<br>
<o:p></o:p></span></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list<o:p></o:p></pre>
<pre><a href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a><o:p></o:p></pre>
<pre><a href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";mso-fareast-language:DE-CH"><br>
<br>
<o:p></o:p></span></p>
<pre>-- <o:p></o:p></pre>
<pre>Daniel-Constantin Mierla - <a href="http://www.asipto.com">http://www.asipto.com</a><o:p></o:p></pre>
<pre><a href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a><o:p></o:p></pre>
<pre>Kamailio World Conference - April 2-4, 2014, Berlin, Germany<o:p></o:p></pre>
<pre><a href="http://www.kamailioworld.com">http://www.kamailioworld.com</a><o:p></o:p></pre>
</div>
</body>
</html>