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List: serusers
Subject: Re: [SR-Users] Kamailio as SBC for Microsoft Teams
From: Henning Westerholt <hw () skalatan ! de>
Date: 2019-10-30 7:27:04
Message-ID: 715c2a47-3dde-45e7-6746-3d01fae96aea () skalatan ! de
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Great addition, thanks Karsten!
Am 30.10.19 um 08:08 schrieb Karsten Horsmann:
Hi Henning,
nice to see that howto. Thanks.
Maybe interesting for the list - i try to verify the ms-teams calls with tls and use \
the permission module functions as "helper":
# account only INVITEs
if (is_method("INVITE")) {
setflag(FLT_ACC); # do accounting
xlog("L_INFO", "-----------> tls_peer_subject <$tls_peer_subject> \
tls_peer_subject_cn <$tls_peer_subject_cn> tls_peer_verified <$tls_peer_verified> \
tls_peer_server_name <$tls_peer_server_name> \n");
xlog("L_INFO", "-----------> $Ri:$Rp src_user=$fU src_domain=$fd \
src_ip=$si dst_ouser=$tU dst_user=$rU dst_domain=$rd\n");
if($tls_peer_verified == -1) {
xlog("L_INFO", "tls_peer_subject_cn $tls_peer_subject_cn is \
NOT verfied!\n"); return;
}
$var(dns) = $tls_peer_subject_cn;
$var(group) = allow_address_group($var(dns), $Rp);
xlog("L_INFO", "-----------> allow_address_group var(group) \
$var(group) var(dns) $var(dns) Rp $Rp\n"); if ($var(group) == -1) {
xlog("L_INFO", "Trunk is not activate for registrar \
DNS_GROUP:[$var(dns)], Source: [$si], Destination: [$Ri] Port:[$Rp]\n"); return;
}
}
Oct 30 07:55:46 sbc1 /usr/sbin/kamailio[2689]: INFO: {1 1 INVITE \
34b77c805b475a39a669b03544f87fae} <script>: -----------> tls_peer_subject <<null>> \
tls_peer_subject_cn <sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com>> \
tls_peer_verified <1> tls_peer_server_name <SBC-DNS-NAME>
Oct 30 07:55:46 sbc1 /usr/sbin/kamailio[2689]: INFO: {1 1 INVITE \
34b77c805b475a39a669b03544f87fae} <script>: -----------> allow_address_group \
var(group) 1 var(dns) sip.pstnhub.microsoft.com<http://sip.pstnhub.microsoft.com> Rp \
5061
less /etc/kamailio/database/address
id(int,auto) grp(int) ip_addr(string) mask(int) port(int) tag(string,null)
1:1:sip.pstnhub.microsoft.com:0:0:msteams
2:1:sip2.pstnhub.microsoft.com:0:0:msteams
3:1:sip3.pstnhub.microsoft.com:0:0:msteams
4:1:sip-all.pstnhub.microsoft.com:0:0:msteams
Henning Westerholt <hw@skalatan.de<mailto:hw@skalatan.de>> schrieb am Mo., 28. Okt. \
2019, 17:22: Hello,
I have created a "How-To" blog post on using Kamailio as "session border controller" \
for Microsoft Teams Direct Routing:
https://skalatan.de/en/blog/kamailio-sbc-teams
You can this way use all the existing possibilities that Kamailio provide to interact \
with MS Teams as well.
Best regards,
Henning
--
Henning Westerholt - https://skalatan.de/blog/
Kamailio services - https://skalatan.de/services
_______________________________________________
Kamailio (SER) - Users Mailing List
sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>
https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
_______________________________________________
Kamailio (SER) - Users Mailing List
sr-users@lists.kamailio.org<mailto:sr-users@lists.kamailio.org>
https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
--
Kamailio Merchandising - https://skalatan.de/merchandising/
Kamailio services - https://skalatan.de/services
Henning Westerholt - https://skalatan.de/blog/
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<p>Great addition, thanks Karsten!<br>
</p>
<div class="moz-cite-prefix">Am 30.10.19 um 08:08 schrieb Karsten Horsmann:<br>
</div>
<blockquote type="cite" \
cite="mid:CAFArqsb8ATu759KJq=6+o5who=HXgEBgaytXhMhCudqwVwdo7w@mail.gmail.com"> \
<div dir="ltr"> <div dir="auto">Hi Henning,
<div dir="auto"><br>
</div>
<div dir="auto">nice to see that howto. Thanks. </div>
<div dir="auto"><br>
</div>
<div>Maybe interesting for the list - i try to verify the ms-teams calls with \
tls and use the permission module functions as "helper":</div> <div><br>
</div>
<div> # account only INVITEs<br>
if (is_method("INVITE")) {<br>
setflag(FLT_ACC); # do \
accounting<br> <br>
xlog("L_INFO", \
"-----------> tls_peer_subject <$tls_peer_subject> tls_peer_subject_cn \
<$tls_peer_subject_cn> tls_peer_verified <$tls_peer_verified> \
tls_peer_server_name <$tls_peer_server_name> \n");<br> \
xlog("L_INFO", \
"-----------> $Ri:$Rp src_user=$fU src_domain=$fd src_ip=$si dst_ouser=$tU \
dst_user=$rU dst_domain=$rd\n");<br> <br>
<br>
if($tls_peer_verified == -1) \
{<br> \
xlog("L_INFO", "tls_peer_subject_cn $tls_peer_subject_cn is NOT \
verfied!\n");<br> \
return;<br> \
}<br> $var(dns) = \
$tls_peer_subject_cn;<br> \
$var(group) = allow_address_group($var(dns), $Rp);<br> \
xlog("L_INFO", "-----------> \
allow_address_group var(group) $var(group) var(dns) $var(dns) Rp $Rp\n");<br> \
if ($var(group) == -1) {<br> \
\
xlog("L_INFO", "Trunk is not activate for registrar \
DNS_GROUP:[$var(dns)], Source: [$si], Destination: [$Ri] Port:[$Rp]\n");<br> \
\
return;<br> }<br>
}<br>
<br>
<br>
Oct 30 07:55:46 sbc1 /usr/sbin/kamailio[2689]: INFO: {1 1 INVITE \
34b77c805b475a39a669b03544f87fae} <script>: -----------> tls_peer_subject \
<<null>> tls_peer_subject_cn <<a \
href="http://sip.pstnhub.microsoft.com" \
moz-do-not-send="true">sip.pstnhub.microsoft.com</a>> tls_peer_verified <1> \
tls_peer_server_name <SBC-DNS-NAME><br>
Oct 30 07:55:46 sbc1 /usr/sbin/kamailio[2689]: INFO: {1 1 INVITE \
34b77c805b475a39a669b03544f87fae} <script>: -----------> allow_address_group \
var(group) 1 var(dns) <a href="http://sip.pstnhub.microsoft.com" \
moz-do-not-send="true">sip.pstnhub.microsoft.com</a> Rp 5061<br> </div>
<div><br>
</div>
<div>less /etc/kamailio/database/address<br>
id(int,auto) grp(int) ip_addr(string) mask(int) port(int) tag(string,null)<br>
1:1:sip.pstnhub.microsoft.com:0:0:msteams<br>
2:1:sip2.pstnhub.microsoft.com:0:0:msteams<br>
3:1:sip3.pstnhub.microsoft.com:0:0:msteams<br>
4:1:sip-all.pstnhub.microsoft.com:0:0:msteams</div>
<div dir="auto"><br>
</div>
<div dir="auto"><br>
</div>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">Henning Westerholt <<a \
href="mailto:hw@skalatan.de" target="_blank" \
moz-do-not-send="true">hw@skalatan.de</a>> schrieb am Mo., 28. Okt. 2019, \
17:22:<br> </div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div lang="DE">
<div>
<p class="MsoNormal"><span lang="EN-GB">Hello,</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">I have created a "How-To" blog post on using \
Kamailio as "session border controller" for Microsoft Teams Direct \
Routing:</span></p> <p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB"><a \
href="https://skalatan.de/en/blog/kamailio-sbc-teams" rel="noreferrer" \
target="_blank" moz-do-not-send="true">https://skalatan.de/en/blog/kamailio-sbc-teams</a>
</span></p>
<p class="MsoNormal"><span lang="EN-GB"> </span></p>
<p class="MsoNormal"><span lang="EN-GB">You can this way use all the existing \
possibilities that Kamailio provide to interact with MS Teams as well.</span></p> <p \
class="MsoNormal"><span lang="EN-GB"> </span></p> <p class="MsoNormal"><span \
lang="EN-GB">Best regards,</span></p> <p class="MsoNormal"><span \
lang="EN-GB"> </span></p> <p class="MsoNormal"><span \
lang="EN-GB">Henning</span></p> <p class="MsoNormal"><span \
lang="EN-GB"> </span></p> <p class="MsoNormal"><span lang="EN-GB">-- </span></p>
<p class="MsoNormal"><span lang="EN-GB">Henning Westerholt - </span><a \
href="https://skalatan.de/blog/" rel="noreferrer" target="_blank" \
moz-do-not-send="true"><span style="color:rgb(5,99,193)" \
lang="EN-GB">https://skalatan.de/blog/</span></a><span lang="EN-GB"></span></p> <p \
class="MsoNormal"><span lang="EN-GB">Kamailio services - </span><a \
href="https://skalatan.de/services" rel="noreferrer" target="_blank" \
moz-do-not-send="true"><span style="color:rgb(5,99,193)" \
lang="EN-GB">https://skalatan.de/services</span></a><span lang="EN-GB"></span></p> <p \
class="MsoNormal"><span lang="EN-GB"> </span></p> </div>
</div>
_______________________________________________<br>
Kamailio (SER) - Users Mailing List<br>
<a href="mailto:sr-users@lists.kamailio.org" rel="noreferrer" target="_blank" \
moz-do-not-send="true">sr-users@lists.kamailio.org</a><br> <a \
href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" rel="noreferrer \
noreferrer" target="_blank" \
moz-do-not-send="true">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br>
</blockquote>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<pre class="moz-quote-pre" wrap="">_______________________________________________
Kamailio (SER) - Users Mailing List
<a class="moz-txt-link-abbreviated" \
href="mailto:sr-users@lists.kamailio.org">sr-users@lists.kamailio.org</a> <a \
class="moz-txt-link-freetext" \
href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a>
</pre>
</blockquote>
<pre class="moz-signature" cols="72">--
Kamailio Merchandising - <a class="moz-txt-link-freetext" \
href="https://skalatan.de/merchandising/">https://skalatan.de/merchandising/</a> \
Kamailio services - <a class="moz-txt-link-freetext" \
href="https://skalatan.de/services">https://skalatan.de/services</a> Henning \
Westerholt - <a class="moz-txt-link-freetext" \
href="https://skalatan.de/blog/">https://skalatan.de/blog/</a></pre> </body>
</html>
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_______________________________________________
Kamailio (SER) - Users Mailing List
sr-users@lists.kamailio.org
https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
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