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</head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">OK. On the Freeswitch side there is a double transport=tls but I can’t find out where that’s happening so I’ll remove it in the Opensips script
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<div class="">Here’s what Opensips sees from Freeswitch</div>
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<b><span style="font-family: Open Sans,sans-serif; font-size:10.0pt;color:#888888">James Hogbin</span></b>
<b><span style="font-family: Open Sans,sans-serif;font-size:8.0pt;color:#888888;"><br>Director</span></b>
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<span style="font-family: Open Sans,sans-serif;font-size:8.0pt;color:#222222;"><br>t. <a href="tel:+442030114150" target="_blank">+44 (0)20 3011 4150</a><br></span><span style="font-family: Open Sans,sans-serif;font-size:8.0pt;color:#222222;">m. +44 7786910895<br></span><span style="font-family: Open Sans,sans-serif;font-size:8.0pt;color:#222222">w. <a href="https://www.ip-sentinel.com/" target="_blank">https://www.ip-sentinel.com</a><br></span><table>
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<div class=""><font face="Menlo" class="">INVITE <a href="sip:08435577721@sbc.ip-sentinel.com:5091;transport=tls" class="">sip:08435577721@sbc.ip-sentinel.com:5091;transport=tls</a> SIP/2.0</font></div>
<div class=""><font face="Menlo" class="">Via: SIP/2.0/TLS 13.80.245.144:5081;rport;branch=z9hG4bKK90SUgZ4ZmN1D</font></div>
<div class=""><font face="Menlo" class="">Max-Forwards: 68</font></div>
<div class=""><font face="Menlo" class="">From: "James Hogbin" <<a href="sip:+442030114146@13.80.245.144" class="">sip:+442030114146@13.80.245.144</a>>;tag=t4ce3rS0Fy3ga</font></div>
<div class=""><font face="Menlo" class="">To: <<a href="sip:08435577721@sbc.ip-sentinel.com:5091" class="">sip:08435577721@sbc.ip-sentinel.com:5091</a>></font></div>
<div class=""><font face="Menlo" class="">Call-ID: 86371d7b-0e76-1239-bdba-000d3aada04e</font></div>
<div class=""><font face="Menlo" class="">CSeq: 20063606 INVITE</font></div>
<div class=""><font face="Menlo" class="">Contact: <<a href="sip:gw+c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9@13.80.245.144:5081;transport=tls;transport=tls;gw=c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9" class="">sip:gw+c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9@13.80.245.144:5081;transport=tls;transport=tls;gw=c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9</a>></font></div>
<div class=""><font face="Menlo" class="">User-Agent: FreeSWITCH</font></div>
<div class=""><font face="Menlo" class="">Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY</font></div>
<div class=""><font face="Menlo" class="">Supported: timer, path, replaces</font></div>
<div class=""><font face="Menlo" class="">Allow-Events: talk, hold, conference, refer</font></div>
<div class=""><font face="Menlo" class="">Content-Type: application/sdp</font></div>
<div class=""><font face="Menlo" class="">Content-Disposition: session</font></div>
<div class=""><font face="Menlo" class="">Content-Length: 1317</font></div>
<div class=""><font face="Menlo" class="">X-FS-Support: update_display,send_info</font></div>
<div class=""><font face="Menlo" class="">Remote-Party-ID: "James Hogbin" <<a href="sip:+442030114146@13.80.245.144" class="">sip:+442030114146@13.80.245.144</a>>;party=calling;screen=yes;privacy=off</font></div>
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<div class=""><font face="Menlo" class="">v=0</font></div>
<div class=""><font face="Menlo" class="">o=FreeSWITCH 1589217436 1589217437 IN IP4 13.80.245.144</font></div>
<div class=""><font face="Menlo" class="">s=FreeSWITCH</font></div>
<div class=""><font face="Menlo" class="">c=IN IP4 13.80.245.144</font></div>
<div class=""><font face="Menlo" class="">t=0 0</font></div>
<div class=""><font face="Menlo" class="">m=audio 17360 RTP/SAVP 9 0 8 101 13</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:9 G722/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:0 PCMU/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:8 PCMA/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:101 telephone-event/8000</font></div>
<div class=""><font face="Menlo" class="">a=fmtp:101 0-16</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:13 CN/8000</font></div>
<div class=""><font face="Menlo" class="">a=crypto:1 {removed]</font></div>
<div class=""><font face="Menlo" class="">a=ptime:20</font></div>
<div class=""><font face="Menlo" class="">m=audio 17360 RTP/AVP 9 0 8 101 13</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:9 G722/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:0 PCMU/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:8 PCMA/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:101 telephone-event/8000</font></div>
<div class=""><font face="Menlo" class="">a=fmtp:101 0-16</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:13 CN/8000</font></div>
<div class=""><font face="Menlo" class="">a=ptime:20</font></div>
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<div class="">Here is my script. I’m not fixing FROM or TO. I am fixing the number, the Record_Route & the duplicated transport=tls in the CONTACT</div>
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<div class=""><font face="Menlo" class="">if (is_method("INVITE") && !has_totag() && check_source_address(0)) {</font></div>
<div class=""><font face="Menlo" class=""> xlog("[ROUTE]Incoming call to MS: RURI=$ruri, SI=$si, M=$rm\n");</font></div>
<div class=""><font face="Menlo" class=""> trace("tid");</font></div>
<div class=""><font face="Menlo" class=""> strip(1);</font></div>
<div class=""><font face="Menlo" class=""> prefix("+44");</font></div>
<div class=""><font face="Menlo" class=""> </font></div>
<div class=""><font face="Menlo" class=""><span class="Apple-tab-span" style="white-space: pre;"></span>$rd="<a href="http://sip.pstnhub.microsoft.com" class="">sip.pstnhub.microsoft.com</a>";</font></div>
<div class=""><font face="Menlo" class=""> $rp=5061;</font></div>
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</font></div>
<div class=""><font face="Menlo" class=""> $var(reg_input) = $ct;</font></div>
<div class=""><font face="Menlo" class=""> $var(reg)= "/transport=tls;transport=tls;/transport=tls;/g";</font></div>
<div class=""><font face="Menlo" class=""> xlog("[WARNING]Applying reg exp $var(reg) to $var(reg_input)");</font></div>
<div class=""><font face="Menlo" class=""> $var(reg_output) = $(var(reg_input){re.subst,$var(reg)});</font></div>
<div class=""><font face="Menlo" class=""> remove_hf("Contact");</font></div>
<div class=""><font face="Menlo" class=""> append_hf("Contact: $var(reg_output)");</font></div>
<div class=""><font face="Menlo" class=""><br class="">
</font></div>
<div class=""><font face="Menlo" class=""> record_route_preset("<a href="http://sbc.ip-sentinel.com:5091" class="">sbc.ip-sentinel.com:5091</a>;transport=tls");</font></div>
<div class=""><font face="Menlo" class=""><br class="">
</font></div>
<div class=""><font face="Menlo" class=""> route(relay);</font></div>
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<div class="">The RTP_Proxy seems to be updating the SDP correctly</div>
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<div class="">And here is the invite to teams</div>
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<div class=""><font face="Menlo" class="">INVITE <a href="sip:+448435577721@sip.pstnhub.microsoft.com:5061;transport=tls" class="">sip:+448435577721@sip.pstnhub.microsoft.com:5061;transport=tls</a> SIP/2.0</font></div>
<div class=""><font face="Menlo" class="">Record-Route: <<a href="sip:sbc.ip-sentinel.com:5091;transport=tls;ftag=t4ce3rS0Fy3ga;lr;vsf=TxoZShEfAAYCAwMBAAUFBQJ2cUBMWx5HQhlGS19AXW5lbC5jb206NTA5MT4-;vst=TxoZSgoTAAcNAQQCAgUGd0FTI10AAAMDFhoaARsHQkMKDB9VRl9fRS5jb20+" class="">sip:sbc.ip-sentinel.com:5091;transport=tls;ftag=t4ce3rS0Fy3ga;lr;vsf=TxoZShEfAAYCAwMBAAUFBQJ2cUBMWx5HQhlGS19AXW5lbC5jb206NTA5MT4-;vst=TxoZSgoTAAcNAQQCAgUGd0FTI10AAAMDFhoaARsHQkMKDB9VRl9fRS5jb20+</a>></font></div>
<div class=""><font face="Menlo" class="">Via: SIP/2.0/TLS 137.117.136.143:5091;branch=z9hG4bK9915.ccfe3523.0;i=ae435223</font></div>
<div class=""><font face="Menlo" class="">Via: SIP/2.0/TLS 13.80.245.144:5081;received=13.80.245.144;rport=36423;branch=z9hG4bKK90SUgZ4ZmN1D</font></div>
<div class=""><font face="Menlo" class="">Max-Forwards: 68</font></div>
<div class=""><font face="Menlo" class="">From: "James Hogbin" <<a href="sip:+442030114146@sbc.ip-sentinel.com:5091" class="">sip:+442030114146@sbc.ip-sentinel.com:5091</a>>;tag=t4ce3rS0Fy3ga</font></div>
<div class=""><font face="Menlo" class="">To: <<a href="sip:+448435577721@sip.pstnhub.microsoft.com" class="">sip:+448435577721@sip.pstnhub.microsoft.com</a>></font></div>
<div class=""><font face="Menlo" class="">Call-ID: 86371d7b-0e76-1239-bdba-000d3aada04e</font></div>
<div class=""><font face="Menlo" class="">CSeq: 20063606 INVITE</font></div>
<div class=""><font face="Menlo" class="">User-Agent: FreeSWITCH</font></div>
<div class=""><font face="Menlo" class="">Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY</font></div>
<div class=""><font face="Menlo" class="">Supported: timer, path, replaces</font></div>
<div class=""><font face="Menlo" class="">Allow-Events: talk, hold, conference, refer</font></div>
<div class=""><font face="Menlo" class="">Content-Type: application/sdp</font></div>
<div class=""><font face="Menlo" class="">Content-Disposition: session</font></div>
<div class=""><font face="Menlo" class="">Content-Length: 1339</font></div>
<div class=""><font face="Menlo" class="">X-FS-Support: update_display,send_info</font></div>
<div class=""><font face="Menlo" class="">Remote-Party-ID: "James Hogbin" <<a href="sip:+442030114146@13.80.245.144" class="">sip:+442030114146@13.80.245.144</a>>;party=calling;screen=yes;privacy=off</font></div>
<div class=""><font face="Menlo" class="">Contact: <<a href="sip:gw+c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9@13.80.245.144:5081;transport=tls;gw=c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9" class="">sip:gw+c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9@13.80.245.144:5081;transport=tls;gw=c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9</a>></font></div>
<div class="">
<div class=""><font face="Menlo" class="">v=0</font></div>
<div class=""><font face="Menlo" class="">o=FreeSWITCH 1589217436 1589217437 IN IP4 137.117.136.143</font></div>
<div class=""><font face="Menlo" class="">s=FreeSWITCH</font></div>
<div class=""><font face="Menlo" class="">c=IN IP4 137.117.136.143</font></div>
<div class=""><font face="Menlo" class="">t=0 0</font></div>
<div class=""><font face="Menlo" class="">m=audio 10124 RTP/SAVP 9 0 8 101 13</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:9 G722/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:0 PCMU/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:8 PCMA/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:101 telephone-event/8000</font></div>
<div class=""><font face="Menlo" class="">a=fmtp:101 0-16</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:13 CN/8000</font></div>
<div class=""><font face="Menlo" class="">a=crypto:1 {removed}</font></div>
<div class=""><font face="Menlo" class="">a=ptime:20</font></div>
<div class=""><font face="Menlo" class="">m=audio 19352 RTP/AVP 9 0 8 101 13</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:9 G722/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:0 PCMU/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:8 PCMA/8000</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:101 telephone-event/8000</font></div>
<div class=""><font face="Menlo" class="">a=fmtp:101 0-16</font></div>
<div class=""><font face="Menlo" class="">a=rtpmap:13 CN/8000</font></div>
<div class=""><font face="Menlo" class="">a=ptime:20</font></div>
<div class=""><font face="Menlo" class="">a=nortpproxy:yes</font></div>
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<div class="">I don’t even get a response from Teams now so I think I’m now going backwards even though I think I’ve implemented all the parts of the advice I’ve been given throughout this thread.</div>
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<div class=""><font face="Menlo" class=""> 0.00 Freeswitch => INVITE => Opensips</font></div>
<div class=""><font face="Menlo" class=""> 0.01 Freeswitch <= 100 <= Opensips</font></div>
<div class=""><font face="Menlo" class=""> 0.01 Opensips => INVITE => MSTeams</font></div>
<div class=""><font face="Menlo" class="">30.0 Freeswitch <= 408 <= Opensips</font></div>
<div class=""><font face="Menlo" class="">30.0 Freeswitch => ACK => Opensips</font></div>
<div class=""><span class="" style="font-family: Menlo;">31.4 Freeswitch => ACK => Opensips</span></div>
<div class=""><span class="" style="font-family: Menlo;"><br class="">
</span></div>
<div class="">James</div>
</div>
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