<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Interesting,&nbsp;<a href="https://tools.ietf.org/html/rfc7261" class="">https://tools.ietf.org/html/rfc7261</a>&nbsp;says annexb=yes is default if omitted. &nbsp;Brian West, did you know that?<div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 17, 2016, at 10:57 AM, Mike Rice &lt;<a href="mailto:mrice0118@gmail.com" class="">mrice0118@gmail.com</a>&gt; wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="">We have a carrier the mandates that annex b be disabled on the invites to them. I have added the following to the default dialplan but nothing seems to change the invite on the B leg to the carrier.&nbsp;</div><div class=""><br class=""></div><div class="">&lt;extension name="disable-annexB" continue="true"&gt;</div><div class="">&nbsp; &lt;condition field="${switch_r_sdp}" expression="/(.*)(m=audio \d+ RTP\/AVP)(.*)( 18 )(.*)/s"&gt;</div><div class="">&nbsp; &nbsp; &nbsp;&lt;action application="export" data="sip_append_audio_sdp=a=fmtp:18 annexb=no"/&gt;</div><div class="">&nbsp; &lt;/condition&gt;</div><div class="">&lt;/extension&gt;</div><div class=""><br class=""></div><div class="">&lt;action application="export" data="sip_append_audio_sdp=a=fmtp:18 annexb=no"/&gt;</div><div class=""><br class=""></div><div class="">and</div><div class=""><br class=""></div><div class="">&lt;action application="bridge" data="{sip_append_audio_sdp=a=fmtp:18</div><div class="">annexb=no,absolute_codec_string=^^:G729:PCMU:PCMA}sofia/gateway/carrierGW/$1"/&gt;</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">inbound-late-negotiation is set to true. The logs show that it is exporting:</div><div class=""><br class=""></div><div class="">[DEBUG] switch_channel.c:1267 EXPORT (export_vars) [sip_h_Diversion]=[&lt;<a href="sip:XXXXXXXXXX@10.10.X.X" class="">sip:XXXXXXXXXX@10.10.X.X</a>&gt;;reason=unavailable]</div><div class="">EXECUTE <a href="mailto:sofia/internal/1000@10.10.x.x" class="">sofia/internal/1000@10.10.X.X</a> bridge(sofia/gateway/lo7f/XXXXXXXXXX)</div><div class="">[DEBUG] switch_channel.c:1221 <a href="mailto:sofia/internal/1000@10.10.x.x" class="">sofia/internal/1000@10.10.X.X</a> EXPORTING[export_vars] [sip_append_audio_sdp]=[a=fmtp:18 annexb=no] to event</div><div class="">[DEBUG] switch_channel.c:1221 <a href="mailto:sofia/internal/1000@10.10.x.x" class="">sofia/internal/1000@10.10.X.X</a> EXPORTING[export_vars] [sip_h_Diversion]=[&lt;<a href="sip:XXXXXXXXXX@10.10.X.X" class="">sip:XXXXXXXXXX@10.10.X.X</a>&gt;;reason=unavailable] to event</div><div class=""><br class=""></div><div class="">The SDP does not reflect:</div><div class=""><br class=""></div><div class="">Local SDP:</div><div class="">v=0</div><div class="">o=FreeSWITCH IN IP4 10.10.X.X</div><div class="">s=FreeSWITCH</div><div class="">c=IN IP4 10.10.X.X</div><div class="">t=0 0</div><div class="">m=audio 20022 RTP/AVP 18 0 8 101 13</div><div class="">a=rtpmap:18 G729/8000</div><div class="">a=rtpmap:0 PCMU/8000</div><div class="">a=rtpmap:8 PCMA/8000</div><div class="">a=rtpmap:101 telephone-event/8000</div><div class="">a=fmtp:101 0-16</div><div class="">a=ptime:20</div><div class="">a=sendrecv</div><div class=""><br class=""></div><div class="">Any help would be greatly appreciated. Thanks!</div></div>
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