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<p class="MsoNormal">Hi there<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I have the following problem – I need to remove a codec in the initial INVITE.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This happens since I changed from rtpproxy to rtpengine. I changed all rtpproxy_manage() to rtpengine_manage().<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Originating INVITE with the “clearmode” <o:p>
</o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">m=audio 9196 RTP/AVP 8 0 125 101 <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">a=rtpmap:0 PCMU/8000 <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">a=rtpmap:8 PCMA/8000 <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">a=rtpmap:125 CLEARMODE/8000 <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">a=rtpmap:101 telephone-event/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I do the following in the config<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">route[SDP] {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> xlog(, "L_INFO", "SDP: request method $rm");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> # remove CLEARMODE if Colt<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if($avp(s:todirection) =~"^MyCarrier+") {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if (is_method("INVITE")) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> xlog(, "L_INFO", "SDP remove: request method $rm");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> msg_apply_changes();<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> sdp_remove_codecs_by_name("CLEARMODE");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> #sdp_remove_codecs_by_id("125");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">}<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">This block gets hit as I can see with the xlog entry.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">In the sent INVITE the “Clearmode” is still in the sdp header<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">a=rtpmap:0 PCMU/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">a=rtpmap:8 PCMA/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">a=rtpmap:125 CLEARMODE/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">a=rtpmap:101 telephone-event/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So with rtpproxy – it worked<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">With rtpengine not any more …<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Any idea?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">KR,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Oli<o:p></o:p></span></p>
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