<div dir="auto">Your contact header looks wrong. Hint: look in the oracle sbc ms teams docs.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, 7 May 2020, 18:24 James Hogbin, <<a href="mailto:james@ip-sentinel.com">james@ip-sentinel.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>My set up<br>
<br>
Teams <—> <a href="http://sbc.ip-sentinel.com" target="_blank" rel="noreferrer">sbc.ip-sentinel.com</a> <—> <a href="http://pbx.ip-sentinel.com" target="_blank" rel="noreferrer">pbx.ip-sentinel.com</a><br>
<br>
I can create a call with audio from Teams -> PBX<br>
I can hang up that call from Teams but not the PBX<br>
I cannot route a call from PBX to teams. Although the initial TLS handshake does happen<br>
<br>
I’m pretty sure it’s something basic to do with headers on ACK & BYE but I just cannot spot what I’ve done wrong<br>
<br>
This is the initial outbound message from opensips to teams which looks OK<br>
<br>
<p style="font-family:Open Sans,sans-serif">
<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>
</p>
<table border="0" cellspacing="0" cellpadding="0"><tr><td><a href="http://ip-sentinel.com" target="_blank" rel="noreferrer"><img border="0" alt="IP Sentinel Logo" src="cid:120050717211601929@uk-mta-141.uk.mimecast.lan"></a></td></tr></table>
<span style="font-family:Open Sans,sans-serif;font-size:8.0pt;color:#222222"><br>t. <a href="tel:+442030114150" target="_blank" rel="noreferrer">+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" rel="noreferrer">https://www.ip-sentinel.com</a><br></span><table>
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INVITE sip:+448435577721@sip.pstnhub.microsoft.com:5061;transport=tls SIP/2.0<br>
Record-Route: <sip:sbc.ip-sentinel.com:5091;transport=tls;ftag=eect23Z290N9p;lr;r2=on><br>
Record-Route: <sip:137.117.136.143:5060;ftag=eect23Z290N9p;lr;r2=on><br>
Via: SIP/2.0/TLS 137.117.136.143:5091;branch=z9hG4bK48f8.81967713.0;i=e67586f7<br>
Via: SIP/2.0/TLS 13.80.245.144:5081;rport=41795;received=10.0.0.4;branch=z9hG4bKac61XQKeXDXHB<br>
Max-Forwards: 68<br>
From: "James Hogbin" <<a href="http://sip:opensips@10.0.0.5:5091" target="_blank" rel="noreferrer">sip:opensips@10.0.0.5:5091</a>>;tag=eect23Z290N9p<br>
To: <<a href="http://sip:08435577721@10.0.0.5:5091" target="_blank" rel="noreferrer">sip:08435577721@10.0.0.5:5091</a>><br>
Call-ID: 0109ad37-0b1f-1239-bdba-000d3aada04e<br>
CSeq: 19879884 INVITE<br>
Contact: <sip:gw+c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9@13.80.245.144:5081;transport=tls;transport=tls;gw=c6ff36e8-d3de-4fe0-9f1b-9da2888c43a9><br>
User-Agent: FreeSWITCH<br>
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY<br>
Supported: timer, path, replaces<br>
Allow-Events: talk, hold, conference, refer<br>
Content-Type: application/sdp<br>
Content-Disposition: session<br>
Content-Length: 1339<br>
X-FS-Support: update_display,send_info<br>
Remote-Party-ID: "James Hogbin" <<a href="http://sip:+442030114146@10.0.0.5:5091" target="_blank" rel="noreferrer">sip:+442030114146@10.0.0.5:5091</a>>;party=calling;screen=yes;privacy=off<br>
#015<br>
v=0<br>
o=FreeSWITCH 1588835231 1588835232 IN IP4 137.117,136.143<br>
s=FreeSWITCH<br>
c=IN IP4 137.117,136.143<br>
t=0 0<br>
m=audio 10432 RTP/SAVP 9 0 8 101 13<br>
a=rtpmap:9 G722/8000<br>
a=rtpmap:0 PCMU/8000<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-16<br>
a=rtpmap:13 CN/8000<br>
[stuff removed]<br>
a=ptime:20<br>
m=audio 13446 RTP/AVP 9 0 8 101 13<br>
a=rtpmap:9 G722/8000<br>
a=rtpmap:0 PCMU/8000<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-16<br>
a=rtpmap:13 CN/8000<br>
a=ptime:20<br>
a=nortpproxy:yes<br>
<br>
opensips.cfg Source_address(0) is my PBX address= <br>
<br>
alias = tls:<a href="http://sbc.ip-sentinel.com:5091" target="_blank" rel="noreferrer">sbc.ip-sentinel.com:5091</a><br>
alias = udp:<a href="http://sbc.ip-sentinel.com:5060" target="_blank" rel="noreferrer">sbc.ip-sentinel.com:5060</a><br>
alias = tcp:<a href="http://sbc.ip-sentinel.com:5060" target="_blank" rel="noreferrer">sbc.ip-sentinel.com:5060</a><br>
advertised_address=137.117.136.143<br>
listen=udp:<a href="http://10.0.0.5:5060" target="_blank" rel="noreferrer">10.0.0.5:5060</a><br>
listen=tcp:<a href="http://10.0.0.5:5060" target="_blank" rel="noreferrer">10.0.0.5:5060</a><br>
listen=tls:<a href="http://10.0.0.5:5091" target="_blank" rel="noreferrer">10.0.0.5:5091</a><br>
<br>
####### Routing Logic ########<br>
<br>
# main request routing logic<br>
<br>
route{<br>
#xlog("L_INFO", "route SIP Message $mb");<br>
force_rport();<br>
<br>
if (!mf_process_maxfwd_header(10)) {<br>
send_reply(483,"Too Many Hops");<br>
exit;<br>
}<br>
<br>
if (is_method("OPTIONS")) {<br>
#xlog("[MS TEAMS] OPTIONS In\n");<br>
send_reply(200, "OK");<br>
exit;<br>
}<br>
<br>
# CANCEL processing<br>
if (is_method("CANCEL")) {<br>
if (t_check_trans())<br>
t_relay();<br>
exit;<br>
}<br>
<br>
# absorb retransmissions, but do not create transaction<br>
t_check_trans();<br>
<br>
if (has_totag()) {<br>
<br>
# sequential request within a dialog should<br>
# take the path determined by record-routing<br>
<br>
if(is_method("INVITE") && !check_source_address(0)) {<br>
xlog("[INFO] In dialog Method=$rm, RURI=$ruri, SI=$si ,DU=$du\n");<br>
t_relay();<br>
}<br>
if ( !loose_route() ) {<br>
# we do record-routing for all our traffic, so we should not<br>
# receive any sequential requests without Route hdr.<br>
send_reply(404, "Not here");<br>
exit;<br>
}<br>
# route it out to whatever destination was set by loose_route()<br>
# in $du (destination URI).<br>
route(relay);<br>
exit;<br>
}<br>
<br>
# account only INVITEs<br>
if (is_method("INVITE")) {<br>
do_accounting("log");<br>
}<br>
<br>
if (is_method("INVITE") && !has_totag() && check_source_address(0)) {<br>
xlog("[ROUTE]Incoming call to MS: RURI=$ruri, SI=$si, M=$rm\n");<br>
strip(1);<br>
prefix("+44");<br>
record_route_preset("sbc.ip-sentinel.com:5091;transport=tls", "<a href="http://137.117.136.143:5060" target="_blank" rel="noreferrer">137.117.136.143:5060</a>");<br>
add_rr_param(";r2=on");<br>
$rd="<a href="http://sip.pstnhub.microsoft.com" target="_blank" rel="noreferrer">sip.pstnhub.microsoft.com</a>";<br>
$rp=5061;<br>
route(relay);<br>
} else if (is_method("INVITE") && ! has_totag() && !check_source_address(0)) {<br>
record_route();<br>
xlog("[ROUTE]Incoming call from MS: RURI=$ruri, SI=$si, M=$rm\n");<br>
$rd="<a href="http://pbx.ip-sentinel.com" target="_blank" rel="noreferrer">pbx.ip-sentinel.com</a>";<br>
$rp=5081;<br>
route(relay);<br>
}<br>
<br>
if (!is_myself("$rd")) {<br>
append_hf("P-hint: outbound\r\n");<br>
route(relay);<br>
}<br>
<br>
# requests for my domain<br>
if (is_method("PUBLISH|SUBSCRIBE")) {<br>
send_reply(503, "Service Unavailable");<br>
exit;<br>
}<br>
<br>
if ($rU==NULL) {<br>
# request with no Username in RURI<br>
send_reply(484,"Address Incomplete");<br>
exit;<br>
}<br>
<br>
# do lookup with method filtering<br>
if (!lookup("location","m")) {<br>
t_reply(404, "Not Found");<br>
exit;<br>
}<br>
<br>
# when routing via usrloc, log the missed calls also<br>
do_accounting("log","missed");<br>
route(relay);<br>
}<br>
<br>
route[relay] {<br>
xlog("[INFO] route[relay] SIP Message \n$mb\n");<br>
# for INVITEs enable some additional helper routes<br>
if (is_method("INVITE") && ! has_totag() ) {<br>
<br>
t_newtran();<br>
t_on_reply("handle_nat");<br>
t_on_failure("missed_call");<br>
<br>
# if we have an application/sdp on our body, so we execute<br>
# the rtpproxy_offer<br>
if(has_body("application/sdp")){<br>
xlog("[RTPPROXY] route[relay] we have sdp on this message\n$rm\n");<br>
rtpproxy_offer("co", "137.117,136.143");<br>
}<br>
<br>
}<br>
<br>
xlog("[INFO] Method=$rm, RURI=$ruri, SI=$si ,DU=$du\n");<br>
if (!t_relay()) {<br>
send_reply(500,"Internal Error");<br>
}<br>
exit;<br>
}<br>
<br>
onreply_route[handle_nat] {<br>
xlog("[INFO] onreply_route[handle_nat]: RR=$rr, RS=$rs, SI=$si\n$mb\n");<br>
# we receive a reply, we need to check about application/sdp<br>
# on our body, if we have, we answer that<br>
if(is_method("ACK") && has_body("application/sdp")){<br>
xlog("[RTPPROXY] onreply_route[handle_nat] ACK rtpproxy_answer\n");<br>
rtpproxy_answer("co", "137.117,136.143");<br>
}<br>
}<br>
<br>
failure_route[missed_call] {<br>
if (t_was_cancelled()) {<br>
exit;<br>
}<br>
}<br>
<br>
local_route {<br>
$var(dst) = "<a href="http://pstnhub.microsoft.com" target="_blank" rel="noreferrer">pstnhub.microsoft.com</a>";<br>
if (is_method("OPTIONS") && ($(ru{s.index, $var(dst)}) != NULL)) {<br>
append_hf("Contact: <sip:sbc.ip-sentinel.com:5091;transport=tls>\r\n");<br>
#xlog("[MS TEAMS] OPTIONS Out\n");<br>
}<br>
}<br>
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