<div><div dir="auto">Annexb as well</div></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, 27 Sep 2019 at 09:36, Mark Farmer <<a href="mailto:farmorg@gmail.com">farmorg@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr">Thanks James, that's interesting. However my understanding is that all mention of the target codec should be removed but in this case it seems to be unchanged.</div><div dir="ltr"><br></div><div dir="ltr">According to this list:</div><div dir="ltr"><div><a href="https://www.iana.org/assignments/rtp-parameters/rtp-parameters.xhtml" target="_blank">https://www.iana.org/assignments/rtp-parameters/rtp-parameters.xhtml</a><br></div><div><br></div><div>G.729 is represented in the m=audio line by a value of 18 which is still present in the resulting INVITE.</div><div>The SDP from the initial INVITE from a phone:<br></div><div><br></div><div><div>v=0</div><div>o=- 1569572039 1569572039 IN IP4 <span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium">xxx.xxx.xxx.xxx</span></div><div>s=Polycom IP Phone</div><div>c=IN IP4 <span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium">xxx.xxx.xxx.xxx</span></div><div>b=AS:512</div><div>t=0 0</div><div>m=audio 2226 RTP/AVP 9 8 0 <b>18</b> 127</div><div>a=rtpmap:9 G722/8000</div><div>a=rtpmap:8 PCMA/8000</div><div>a=rtpmap:0 PCMU/8000</div><div><b>a=rtpmap:18 G729/8000</b></div><div>a=fmtp:18 annexb=no</div><div>a=rtpmap:127 telephone-event/8000</div><div>m=video 2228 RTP/AVP 109 34</div><div>a=rtpmap:109 H264/90000</div><div>a=fmtp:109 profile-level-id=42800d; packetization-mode=0</div><div>a=rtpmap:34 H263/90000</div><div>a=fmtp:34 CIF=1;QCIF=1;SQCIF=1</div></div><div><br></div><div>And the resulting outbound INVITE:</div><div><br></div><div><div>v=0</div><div>o=- 1569572039 1569572039 IN IP4 <span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium">xxx.xxx.xxx.xxx</span></div><div>s=Polycom IP Phone</div><div>c=IN IP4 <span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium">xxx.xxx.xxx.xxx</span></div><div>b=AS:512</div><div>t=0 0</div><div>m=audio 10552 RTP/AVP 9 8 0 <b>18</b> 127</div><div>a=rtpmap:9 G722/8000</div><div>a=rtpmap:8 PCMA/8000</div><div>a=rtpmap:0 PCMU/8000</div><div><b>a=rtpmap:18 G729/8000</b></div><div>a=rtpmap:127 telephone-event/8000</div><div>a=fmtp:18 annexb=no</div><div>a=sendrecv</div><div>a=rtcp:10553</div><div>a=ice-ufrag:NaBg56me</div><div>a=ice-pwd:oWZ4Hzrn4kJtnYfXo4Q7oCNx95</div><div>a=candidate:wWTC1VOV2dAOfI4x 1 UDP 2130706431 <span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium">xxx.xxx.xxx.xxx</span> 10552 typ host</div><div>a=candidate:wWTC1VOV2dAOfI4x 2 UDP 2130706430 <span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium">xxx.xxx.xxx.xxx</span> 10553 typ host</div><div>m=video 10574 RTP/AVP 109 34</div><div>a=rtpmap:109 H264/90000</div><div>a=rtpmap:34 H263/90000</div><div>a=fmtp:109 profile-level-id=42800d; packetization-mode=0</div><div>a=fmtp:34 CIF=1;QCIF=1;SQCIF=1</div><div>a=sendrecv</div><div>a=rtcp:10575</div><div>a=ice-ufrag:U1Lig1Dm</div><div>a=ice-pwd:wzCYNGN9FyuFLChyqqVR7YqLRE</div><div>a=candidate:wWTC1VOV2dAOfI4x 1 UDP 2130706431 <span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium">xxx.xxx.xxx.xxx</span> 10574 typ host</div><div>a=candidate:wWTC1VOV2dAOfI4x 2 UDP 2130706430 <span style="color:rgb(0,0,0);font-family:-webkit-standard;font-size:medium">xxx.xxx.xxx.xxx</span> 10575 typ host</div></div><div><br></div><div><br></div></div></div></div></div></div></div></div></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 26 Sep 2019 at 16:59, James Hogbin <<a href="mailto:james@ip-sentinel.com" target="_blank">james@ip-sentinel.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">
<div style="word-wrap:break-word;line-break:after-white-space">I think this is helpful?
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<div><a href="https://opensips.org/pipermail/users/2016-September/035510.html" target="_blank">https://opensips.org/pipermail/users/2016-September/035510.html</a></div>
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<div>james<br>
<div><br>
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<b><span style="font-family:"Open Sans",sans-serif;font-size:10pt;color:rgb(136,136,136)">James Hogbin</span></b>
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On 26 Sep 2019, at 16:37, Mark Farmer <<a href="mailto:farmorg@gmail.com" target="_blank">farmorg@gmail.com</a>> wrote:</div>
<br class="m_4829127402977900970gmail-m_-1474449490814213295Apple-interchange-newline">
<div>
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">
<div dir="ltr">Been looking at this for a while now and it just won't play ball.
<div>I have an avp defined:</div>
<div><br>
</div>
<div>
<div># Codecs we do NOT support!</div>
<div>$avp(BadCodec) = "G729";</div>
<div>$avp(BadCodec) = "G729a";</div>
<div><br>
</div>
<div>Then I use a for each to remove any instances of the codecs:</div>
<div><br>
</div>
<div>
<div>for ($var(ToDelete) in $(avp(BadCodec)[*]))</div>
<div> if (codec_delete($var(ToDelete))) {</div>
<div> xlog("CUSTOM_LOG: Invalid codec detected and deleted: $var(ToDelete)");</div>
<div> }</div>
</div>
<div><br>
</div>
<div>sipmsgops reports that it's trying to remove codecs:</div>
<div><br>
</div>
<div>DBG:sipmsgops:codec_delete: deleting codec <G729a> with clock <><br>
</div>
<div>---</div>
<div>DBG:sipmsgops:codec_delete: deleting codec <G729> with clock <><br>
</div>
<div>---</div>
<div><br>
</div>
<div>My custom logs only generate a single entry since only G729 is present in SDP:</div>
<div><br>
</div>
<div>CUSTOM_LOG: Invalid codec detected and deleted: G729<br>
</div>
<div><br>
</div>
<div>But when the call is routed, the G729 codecs remain in the SDP:</div>
<div><br>
</div>
<div>a=rtpmap:18 G729/8000<br>
</div>
<div><br>
</div>
<div>Can anyone suggest why might that be?</div>
<div><br>
</div>
<div>Regards</div>
<div>Mark.</div>
<div><br>
</div>
<div><br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="m_4829127402977900970gmail_signature">Mark Farmer<br><a href="mailto:farmorg@gmail.com" target="_blank">farmorg@gmail.com</a></div>
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</blockquote></div></div>-- <br><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>Regards,</div><div><br></div>David Villasmil<div>email: <a href="mailto:david.villasmil.work@gmail.com" target="_blank">david.villasmil.work@gmail.com</a></div><div>phone: +34669448337</div></div></div>