<div dir="ltr">Hello,<div><br></div><div>Yes, initially I was trying with version 5.4.5, then I upgraded to the latest version from 5.5 branch - but this didn't fix the issue.</div><div><br></div><div>version: kamailio 5.5.0 (x86_64/linux) d4c1a1<br>flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED<br>ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB<br>poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.<br>id: d4c1a1 <br>compiled on 16:08:42 May 5 2021 with gcc 8.3.0<br></div><div><br></div><div>OS: Description: Debian GNU/Linux 10 (buster)</div><div><br></div><div>Thank you.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 5 May 2021 at 16:42, Daniel-Constantin Mierla <<a href="mailto:miconda@gmail.com">miconda@gmail.com</a>> wrote:<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>
<p>Hello,</p>
<p>are you running the latest version in the X.Y series? Likely you
have a version with an issue that was fixed, iirc.</p>
<p>Cheers,<br>
Daniel<br>
</p>
<div>On 05.05.21 17:32, Ilie Soltanici
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hello,
<div><br>
</div>
<div>No, that's not the case, see below the INVITE sent to the
branch:</div>
<div><br>
</div>
<div>INVITE <a>sip:123456789@1.2.3.4:5060;transport=UDP</a> SIP/2.0<br>
Record-Route:
<a><sip:1.2.3.4:5060;lr;ftag=244c2803;did=cb4.8cb></a><br>
Via: SIP/2.0/UDP
1.2.3.4:5060;branch=z9hG4bK0f41.5079ae8da835958ee58ca1e8a4eb057b.0<br>
Via: SIP/2.0/UDP
192.168.1.10:40769;received=1.3.5.7;branch=z9hG4bK-524287-1---46a5782b47b6ec85;rport=40769<br>
Max-Forwards: 69<br>
Contact:
<a><sip:101@1.3.5.7:40769;transport=UDP;alias=1.3.5.7~40769~1></a><br>
To: <<a href="http://sip:123456789@1.2.3.4:5060" target="_blank">sip:123456789@1.2.3.4:5060</a>><br>
From: <a><sip:101@1.2.3.4:5060;transport=UDP></a>;tag=244c2803<br>
Call-ID: KfuC1GMvCvk1YCSKnHwDrw..<br>
CSeq: 2 INVITE<br>
Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, REFER, MESSAGE,
OPTIONS, INFO, SUBSCRIBE<br>
Content-Type: application/sdp<br>
User-Agent: Z 5.4.12 v2.10.13.2-mod<br>
Allow-Events: presence, kpml, talk<br>
Content-Length: 336<br>
TOH: 123456789<br>
<br>
v=0<br>
o=Z 1620220570589 1 IN IP4 1.3.5.7<br>
s=Z<br>
c=IN IP4 1.3.5.7<br>
t=0 0<br>
m=audio 8000 RTP/AVP 106 9 98 101 0 8 3<br>
a=rtpmap:106 opus/48000/2<br>
a=fmtp:106 sprop-maxcapturerate=16000; minptime=20;
useinbandfec=1<br>
a=rtpmap:98 telephone-event/48000<br>
a=fmtp:98 0-16<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-16<br>
a=sendrecv<br>
</div>
<div><br>
</div>
<div>thanks</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, 5 May 2021 at 16:24,
Daniel-Constantin Mierla <<a href="mailto:miconda@gmail.com" target="_blank">miconda@gmail.com</a>>
wrote:<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>
<p>Hello,</p>
<p>the CANCEL to be sent is generated locally by tm module
from the INVITE that was sent on the branch, so the errors
is actually about a duplicate To header in that INVITE.
Check it on the network to see if that's the case.<br>
</p>
<p>Cheers,<br>
Daniel<br>
</p>
<div>On 05.05.21 16:25, Ilie Soltanici wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hello,<br>
<div><br>
</div>
<div>We are having an issue here where Kamailio is
complaining about duplicate To header, while in the
SIP Packet there is just one. See below the log
message:</div>
<div><br>
</div>
<div>DEBUG: tm [t_msgbuilder.c:391]:
build_local_reparse(): duplicate To header</div>
<div>ERROR: tm [t_msgbuilder.c:531]:
build_local_reparse(): cannot build CANCEL request<br>
ERROR: tm [t_cancel.c:297]: cancel_branch(): attempt
to build a CANCEL failed<br>
ERROR: tm [t_fwd.c:1434]: e2e_cancel(): cancel error<br>
</div>
<div><br>
</div>
<div>And this is the sip message:</div>
<div><br>
</div>
<div>CANCEL <a href="http://sip:123456789@1.2.3.4:5060" target="_blank">sip:123456789@1.2.3.4:5060</a>
SIP/2.0<br>
Via: SIP/2.0/UDP
192.168.1.1:19373;branch=z9hG4bK-524287-1---7774073fad1a3264;rport<br>
Max-Forwards: 70<br>
To: <<a href="http://sip:123456789@1.2.3.4:5060" target="_blank">sip:123456789@1.2.3.4:5060</a>><br>
From: "101"<<a href="http://sip:101@1.2.3.4:5060" target="_blank">sip:101@1.2.3.4:5060</a>>;tag=6f373b66<br>
Call-ID: hC2O6zx8ZaUJ1di046<br>
CSeq: 2 CANCEL<br>
Proxy-Authorization: Digest
username="101",realm="1.2.3.4",nonce="YJKbfWCSmlFTHxdJfKmySydF9L7FzfaqcgyOo4A=",uri="<a href="http://sip:123456789@1.2.3.4:5060" target="_blank">sip:123456789@1.2.3.4:5060</a>",response="2bf2ba8ef2374d6aa8c39d650613077d",algorithm=MD5<br>
User-Agent: TEST<br>
Content-Length: 0<br>
</div>
<div><br>
</div>
<div>version: kamailio 5.5.0 (x86_64/linux) d4c1a1</div>
<div><br>
</div>
<div>The route itself, is like in the standard
documentation:</div>
<div><br>
</div>
<div># CANCEL processing<br>
if KSR.is_CANCEL() :<br>
KSR.info(RANDOM_LOG + 'KSR.is_CANCEL')<br>
if KSR.tm.t_check_trans()>0 :<br>
self.ksr_route_relay(msg)<br>
return 1<br>
</div>
<div><br>
</div>
<div><br>
</div>
<div> def ksr_route_relay(self, msg):<br>
if KSR.is_method_in("IBSU") :<br>
if KSR.tm.t_is_set("branch_route")<0 :<br>
KSR.tm.t_on_branch("ksr_branch_manage")<br>
<br>
if KSR.is_method_in("ISU") :<br>
if KSR.tm.t_is_set("onreply_route")<0 :<br>
KSR.tm.t_on_reply("ksr_onreply_manage")<br>
<br>
if KSR.is_INVITE() :<br>
if KSR.tm.t_is_set("failure_route")<0 :<br>
KSR.tm.t_on_failure("ksr_failure_manage")<br>
<br>
if KSR.tm.t_relay()<0 :<br>
KSR.sl.sl_reply_error()<br>
<br>
return -255<br>
</div>
<div><br>
</div>
<div>Thanks</div>
</div>
<br>
<fieldset></fieldset>
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</blockquote>
<pre cols="72">--
Daniel-Constantin Mierla -- <a href="http://www.asipto.com" target="_blank">www.asipto.com</a>
<a href="http://www.twitter.com/miconda" target="_blank">www.twitter.com/miconda</a> -- <a href="http://www.linkedin.com/in/miconda" target="_blank">www.linkedin.com/in/miconda</a>
Kamailio Advanced Training - Online
May 17-20, 2021 (Europe Timezone) - June 7-10, 2021 (America Timezone)
* <a href="https://www.asipto.com/sw/kamailio-advanced-training-online/" target="_blank">https://www.asipto.com/sw/kamailio-advanced-training-online/</a></pre>
</div>
</blockquote>
</div>
</blockquote>
<pre cols="72">--
Daniel-Constantin Mierla -- <a href="http://www.asipto.com" target="_blank">www.asipto.com</a>
<a href="http://www.twitter.com/miconda" target="_blank">www.twitter.com/miconda</a> -- <a href="http://www.linkedin.com/in/miconda" target="_blank">www.linkedin.com/in/miconda</a>
Kamailio Advanced Training - Online
May 17-20, 2021 (Europe Timezone) - June 7-10, 2021 (America Timezone)
* <a href="https://www.asipto.com/sw/kamailio-advanced-training-online/" target="_blank">https://www.asipto.com/sw/kamailio-advanced-training-online/</a></pre>
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</blockquote></div>