<div dir="ltr">Hi Daniel,<div><br></div><div>Provider managed to add the transport=tcp in the contact as you suggested and call flow was fine but, another issue came up and I believe it is again TCP that causes this issue.</div><div>If our side terminates the call, our Kamailio2 sends the BYE and it is accepted from the provider side terminating the call correctly.</div><div>When the far end terminates the call, providers send a BYE that we never receive from the provider and our UAC remains on call. If our UAC terminates the call after the far end terminates the call we receive a 481 from the provider as the call actually does not exist any more on his side and this makes sense.</div><div>Even this is not the case, to be 100% sure we have even completely disabled our firewall on the tests but we have the same results.</div><div>Below I am sending you the provider trace that he sends 2 BYE to us without any response from us. These two BYE never reached our side.</div><div>For testing we even changed the TCP listen port of kamailio to 5080 to be separate ports from the UDP which remains on 5060</div><div>Provider engineers cannot respond to this problem with a resolution. </div><div>Can you please check if you can see something in the trace that can identify the cause of this behavior?</div><div>Is it something I can change on our Kamailio2 config to avoid this?</div><div><br></div><div>TRACE</div><div>======</div><div>INVITE <a href="http://sip:123456789@sip.mydomain.com:5060">sip:123456789@sip.mydomain.com:5060</a> SIP/2.0<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bK4e1.3a5eafdb0c6cb4f6b4fbaf7faface967.0<br>Max-Forwards: 68<br>From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>><br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11769 INVITE<br>Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS<br>Supported: replaces, 100rel, timer, norefersub<br>Session-Expires: 1800<br>Min-SE: 90<br>Content-Type: application/sdp<br>Content-Length: 324<br>P-Asserted-Identity: <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>><br>Contact: <sip:btpsh-b6-614ae8ae-21085-1@50.50.50.182:5080;transport=tcp><br>v=0<br>o=- 3841298833 3841298833 IN IP4 50.50.50.184<br>s=pjmedia<br>b=AS:84<br>t=0 0<br>a=X-nat:0<br>m=audio 27892 RTP/AVP 8 0 101<br>c=IN IP4 50.50.50.184<br>b=TIAS:64000<br>a=ssrc:83234588 cname:6b760b5029f225e8<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:0 PCMU/8000<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-16<br>a=sendrecv<br>a=rtcp:27893<br><br><br>>--- SEND ----------->-------------> [Message: 2 of 12 ] >------------>------------><br><br>Date: 09-22-2021 Time: 08:27:16.00120<br><br>SIP/2.0 183 Session Progress<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bK4e1.3a5eafdb0c6cb4f6b4fbaf7faface967.0<br>From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11769 INVITE<br>Contact: <sip:123456789@200.200.200.209:5060;transport=tcp><br>Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS<br>Require: 100rel<br>RSeq: 6618<br>Content-Length: 242<br>Content-Disposition: session; handling=required<br>Content-Type: application/sdp<br>v=0<br>o=Sonus_UAC 21561 25962 IN IP4 200.200.200.209<br>s=SIP Media Capabilities<br>c=IN IP4 200.200.200.211<br>t=0 0<br>m=audio 27992 RTP/AVP 8 101<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-15<br>a=sendrecv<br>a=maxptime:20<br><br><br><--- RECV -----------<-------------< [Message: 3 of 12 ] <------------<------------<<br><br>Date: 09-22-2021 Time: 08:27:17.00047<br><br>PRACK sip:123456789@200.200.200.209:5060;transport=tcp SIP/2.0<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bKdd1.b4a7f8fbbf8027cc1b0a457f9e5963f7.0<br>Max-Forwards: 68<br>From: "MyUserName" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11770 PRACK<br>RAck: 6618 11769 INVITE<br>Content-Length: 0<br>Contact: <sip:btpsh-b6-614ae8ae-21085-1@50.50.50.182:5080;transport=tcp><br><br><br>>--- SEND ----------->-------------> [Message: 4 of 12 ] >------------>------------><br><br>Date: 09-22-2021 Time: 08:27:17.00050<br><br>SIP/2.0 200 OK<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bKdd1.b4a7f8fbbf8027cc1b0a457f9e5963f7.0<br>From: "MyUserName" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11770 PRACK<br>Content-Length: 0<br><br><br>>--- SEND ----------->-------------> [Message: 5 of 12 ] >------------>------------><br><br>Date: 09-22-2021 Time: 08:27:17.00053<br><br>SIP/2.0 183 Session Progress<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bK4e1.3a5eafdb0c6cb4f6b4fbaf7faface967.0<br>From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11769 INVITE<br>Require: 100rel<br>RSeq: 6619<br>Contact: <sip:123456789@200.200.200.209:5060;transport=tcp><br>Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS<br>Content-Length: 242<br>Content-Disposition: session; handling=required<br>Content-Type: application/sdp<br>v=0<br>o=Sonus_UAC 21561 25962 IN IP4 200.200.200.209<br>s=SIP Media Capabilities<br>c=IN IP4 200.200.200.211<br>t=0 0<br>m=audio 27992 RTP/AVP 8 101<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-15<br>a=sendrecv<br>a=maxptime:20<br><br><br><--- RECV -----------<-------------< [Message: 6 of 12 ] <------------<------------<<br><br>Date: 09-22-2021 Time: 08:27:17.00059<br><br>PRACK sip:123456789@200.200.200.209:5060;transport=tcp SIP/2.0<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bKed1.fd8ecce909458a05324665afccdde954.0<br>Max-Forwards: 68<br>From: "MyUserName" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11771 PRACK<br>RAck: 6619 11769 INVITE<br>Content-Length: 0<br>Contact: <sip:btpsh-b6-614ae8ae-21085-1@50.50.50.182:5080;transport=tcp><br><br><br>>--- SEND ----------->-------------> [Message: 7 of 12 ] >------------>------------><br><br>Date: 09-22-2021 Time: 08:27:17.00062<br><br>SIP/2.0 200 OK<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bKed1.fd8ecce909458a05324665afccdde954.0<br>From: "MyUserName" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11771 PRACK<br>Content-Length: 0<br><br><br>>--- SEND ----------->-------------> [Message: 8 of 12 ] >------------>------------><br><br>Date: 09-22-2021 Time: 08:27:20.00083<br><br>SIP/2.0 200 OK<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bK4e1.3a5eafdb0c6cb4f6b4fbaf7faface967.0<br>From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11769 INVITE<br>Accept: application/sdp, application/isup, application/dtmf, application/dtmf-relay, multipart/mixed<br>Contact: <sip:123456789@200.200.200.209:5060;transport=tcp><br>Allow: INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS<br>P-Asserted-Identity: <<a href="mailto:sip%3A6932489919@MOBILE.PROVIDER.COM">sip:6932489919@MOBILE.PROVIDER.COM</a>;user=phone><br>Require: timer<br>Supported: timer<br>Session-Expires: 1800;refresher=uas<br>Content-Length: 242<br>Content-Disposition: session; handling=required<br>Content-Type: application/sdp<br>v=0<br>o=Sonus_UAC 21561 25962 IN IP4 200.200.200.209<br>s=SIP Media Capabilities<br>c=IN IP4 200.200.200.211<br>t=0 0<br>m=audio 27992 RTP/AVP 8 101<br>a=rtpmap:8 PCMA/8000<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-15<br>a=sendrecv<br>a=maxptime:20<br><br><br><--- RECV -----------<-------------< [Message: 9 of 12 ] <------------<------------<<br><br>Date: 09-22-2021 Time: 08:27:20.00102<br><br>ACK sip:123456789@200.200.200.209:5060;transport=tcp SIP/2.0<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bK4e1.d06307f54416ad3db79569f704d8658e.0<br>Max-Forwards: 68<br>From: "MyUserName" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11769 ACK<br>Content-Length: 0<br>Contact: <sip:btpsh-b6-614ae8ae-21085-1@50.50.50.182:5080;transport=tcp><br><br><br>>--- SEND ----------->-------------> [Message: 10 of 12 ] >------------>------------><br><br>Date: 09-22-2021 Time: 08:27:26.00061<br><br>BYE sip:btpsh-b6-614ae8ae-21085-1@50.50.50.182:5080;transport=tcp SIP/2.0<br>Via: SIP/2.0/TCP 200.200.200.209:5060;branch=z9hG4bK0dB7cb270586eb0337b<br>From: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>To: "987654321" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 9423 BYE<br>Max-Forwards: 70<br>Supported: 100rel<br>Content-Length: 0<br><br><br>>--- SEND ----------->-------------> [Message: 11 of 12 ] >------------>------------><br><br>Date: 09-22-2021 Time: 08:27:32.00010<br><br>BYE sip:btpsh-b6-614ae8ae-21085-1@50.50.50.182:5080;transport=tcp SIP/2.0<br>Via: SIP/2.0/TCP 200.200.200.209:5060;branch=z9hG4bK0dB7cb270586eb0337b<br>From: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>To: "987654321" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 9423 BYE<br>Max-Forwards: 70<br>Supported: 100rel<br>Content-Length: 0<br><br><br><--- RECV -----------<-------------< [Message: 12 of 12 ] <------------<------------<<br><br>Date: 09-22-2021 Time: 08:27:33.00021<br><br>BYE sip:123456789@200.200.200.209:5060;transport=tcp SIP/2.0<br>Via: SIP/2.0/TCP 50.50.50.182:5080;branch=z9hG4bKbd1.38c5755274f4163db0542d5ec9549053.0<br>Max-Forwards: 68<br>From: "MyUserName" <<a href="mailto:sip%3A987654321@sip.mydomain.com">sip:987654321@sip.mydomain.com</a>>;tag=b695280bab3644b78ac5e09a5dba5ac4<br>To: <<a href="mailto:sip%3A123456789@sip.mydomain.com">sip:123456789@sip.mydomain.com</a>>;tag=gK0df944e5<br>Call-ID: d7ecb3b2408a466ea3074d1b48499bfa<br>CSeq: 11772 BYE<br>User-Agent: MicroSIP/3.20.5<br>Content-Length: 0<br>Contact: <sip:btpsh-b6-614ae8ae-21085-1@50.50.50.182:5080;transport=tcp><br></div><div><br></div><div>Kind regards,<br></div><div>Angelo</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Στις Τετ, 22 Σεπ 2021 στις 9:12 π.μ., ο/η Daniel-Constantin Mierla <<a href="mailto:miconda@gmail.com">miconda@gmail.com</a>> έγραψε:<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,<br>
</p>
<div>On 21.09.21 16:55, Angelo Sipper wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hi Daniel,
<div><br>
</div>
<div>Thank you for your prompt response!<br>
</div>
<div><br>
</div>
<div>I sent the wrong trace with the added transport=tcp test.
Yes we tried to add the transport=tcp on config to overcome
this issue but it was not resolved. I will contact the
provider to ask them to add the transport on their 183 and I
believe it will resolve the issue.</div>
<div>In case they cannot do this is there an alternative to
bypass this?</div>
</div>
</blockquote>
<p>you have the flexibility to set the transport to $du or $ru and
then relay. Or look at tm module, there are functions that can
enforce a specific transport layer. Solutions can be made in
config, but the best would be that the provider fixes it,
otherwise you have to make a more complex config file to figure
out if you have to enforce the transport manually or not, assuming
you route calls to other endpoints that set the proper transport
value.<br>
</p>
<p>Cheers,<br>
Daniel<br>
</p>
<blockquote type="cite">
<div dir="ltr">
<div> As per now we have the save issue also on our ACK and BYE
replies we send to the provider which is logical.</div>
<div><br>
</div>
<div>Kind regards,</div>
<div>Angelo</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">Στις Τρί, 21 Σεπ 2021 στις
5:03 μ.μ., ο/η Daniel-Constantin Mierla <<a href="mailto:miconda@gmail.com" target="_blank">miconda@gmail.com</a>>
έγραψε:<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 contact of the 183 has no transport parameter, which
means it is the default one, respectively UDP. If the
Provider wants traffic over TCP, the contact has to be
with that transport parameter.<br>
</p>
<p>I see that incoming PRACK has R-URI without transport
parameter, but the one to be forwarded has a malformed
version where transport=tcp is misplaced, probably due to
a wrong config operation. If you do it in kamailio.cfg,
you have to append ";transport=tcp" to $ru (whole r-uri),
not to $rU (only user part of r-uri).</p>
<p>Cheers,<br>
Daniel<br>
</p>
<div>On 21.09.21 15:29, Angelo Sipper wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Correction
<div>UAC (OverTLS) ->(TLS)Kamailio1(UDP)->
(UDP)Kamailio2(TCP)-> (TCP)Provider<br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">Στις Τρί, 21 Σεπ 2021
στις 4:28 μ.μ., ο/η Angelo Sipper <<a href="mailto:sippro97@gmail.com" target="_blank">sippro97@gmail.com</a>>
έγραψε:<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 dir="ltr">
<div>Hello,</div>
<div><br>
</div>
<div>We have the following setup and I am having
trouble passing the PRACK with correct protocol to
the provider.</div>
<div><br>
</div>
<div>UAC (OverTLS) ->(UDP)Kamailio1 (UDP)->
(UDP)Kamailio2 (TCP)-> (TCP)Provider</div>
<div><br>
</div>
<div>UAC : 10.2.1.160 NATED to <a href="http://50.50.50.50:5065/" target="_blank">100.100.100.61</a> (TLS)</div>
<div>Kamailio1 Sockets: <a href="http://170.170.170.210:5061/" target="_blank">50.50.50.210:5061</a> (TLS),<a href="http://170.170.170.210:5060/" target="_blank">50.50.50.210:5060</a> (UDP)<br>
</div>
<div>Kamailio2 Sockets: 50.50.50.182<a href="http://170.170.170.170:5060/" target="_blank">:5060</a> (UDP)
50.50.50.182<a href="http://170.170.170.170:5060/" target="_blank">:5080</a> (TCP)</div>
<div>Provider: <a href="http://200.200.200.193:5060/" target="_blank">200.200.200.209:5060</a> (TCP)</div>
<div><br>
</div>
<div>We use dispatcher on Kamailio1 & Kamailio2</div>
<div>The invite goes fine from UCA up to the
provider and the provider responses arrive to UAC
fine.</div>
<div>The PRACK from UAC to kamailio1 goes fine to
Kamaili02 but, Kamailio2 uses the UDP socket to
send to the provider so the PRACK does not
arrive to the provider and the call is canceled.</div>
<div>If the provider is on UDP everything works
fine.<br>
</div>
<div><br>
</div>
<div>Below I have the trace. What should I look for
in the config to resolve this wrong
protocol/socket on the PRACK?<br>
</div>
<div><br>
</div>
<div>Kamailio2 Details:</div>
<div><br>
</div>
<div>Sockets</div>
<div>
<div>======</div>
<div>listen=udp:<a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a><br>
listen=tcp: <a href="http://50.50.50.182:5080" target="_blank">50.50.50.182:5080</a><br>
</div>
</div>
<div><br>
</div>
<div>On the rr module I have</div>
<div>==================</div>
<div>modparam("rr", "enable_double_rr", 1)<br>
</div>
<div>modparam("rr", "append_fromtag", 1)<br>
</div>
<div>modparam("rr", "enable_full_lr", 1)<br>
</div>
<div><br>
</div>
<div>CONFIG REQINIT & WITHINDLG PARTS<br>
</div>
<div>================================</div>
<div>
<div>route[REQINIT] {<br>
</div>
</div>
<div><br>
set_reply_no_connect();<br>
force_rport();<br>
<br>
if (!mf_process_maxfwd_header("10")) {<br>
xlog("L_ERROR","Too Many Hops Rejecting!"); <br>
sl_send_reply("483","Too Many Hops");<br>
exit;<br>
}<br>
<br>
if(is_method("OPTIONS") && uri==myself
&& $rU==$null) {<br>
sl_send_reply("200","Keepalive");<br>
exit;<br>
}<br>
<br>
if(!sanity_check("1511", "7")) {<br>
xlog("Malformed SIP message from $si:$sp sanity
1511\n");<br>
exit;<br>
}<br>
<br>
if(!sanity_check("17895", "7")) {<br>
xlog("Malformed SIP request from $si:$sp sanity
17895\n");<br>
exit;<br>
}<br>
}<br>
</div>
<div><br>
</div>
<div>route[WITHINDLG] {<br>
</div>
<div> if (!has_totag()) return;<br>
<br>
if (loose_route()) {<br>
<br>
if (is_method("BYE")) {<br>
rtpengine_query();<br>
rtpengine_delete();<br>
}<br>
route(RELAY_OUT);<br>
}<br>
<br>
if ( is_method("ACK") ) {<br>
#if (t_lookup_request()) {<br>
if (t_check_trans()) {<br>
route(RELAY_OUT);<br>
exit;<br>
} else {<br>
# ACK without matching transaction ... ignore and
discard<br>
exit;<br>
}<br>
}<br>
<br>
sl_send_reply("404","Not Allowed");<br>
exit;<br>
}<br>
</div>
<div><br>
</div>
<div>TRACE</div>
<div>======</div>
<div> <a href="http://50.50.50.210:5060" target="_blank">50.50.50.210:5060</a>
<a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a>
<a href="http://50.50.50.182:32818" target="_blank">50.50.50.182:32818</a>
<a href="http://200.200.200.209:5060" target="_blank">200.200.200.209:5060</a><br>
qqqqqqqqqqwqqqqqqq
qqqqqqqqqqwqqqqqqq qqqqqqqqqqwqqqqqqqq
qqqqqqqqqqqwqqqqqqqqq<br>
a 15:31:11.787490 x INVITE (SDP)
x x
x<br>
a +0.003099 x
qqqqqqqqqqqqqqqqqqqqqqqqqq> x
x x<br>
a 15:31:11.790589 x 100 trying -- your call is
x x
x<br>
a +0.002220 x
<qqqqqqqqqqqqqqqqqqqqqqqqqq x
x x<br>
a 15:31:11.792809 x
x x INVITE
(SDP) x<br>
a +0.020725 x
x x
qqqqqqqqqqqqqqqqqqqqqqqqqq> x<br>
a 15:31:11.813534 x
x x 100 Trying
x<br>
a +2.628884 x
x x
<qqqqqqqqqqqqqqqqqqqqqqqqqq x<br>
a 15:31:14.442418 x
x x 183 Session
Progress (SDP) x<br>
a +0.001572 x
x x
<qqqqqqqqqqqqqqqqqqqqqqqqqq x<br>
a 15:31:14.443990 x 183 Session Progress (SDP)
x x
x<br>
a +0.299221 x
<qqqqqqqqqqqqqqqqqqqqqqqqqq x
x x<br>
a 15:31:14.743211 x PRACK
x x
x<br>
a +0.043114 x
qqqqqqqqqqqqqqqqqqqqqqqqqq> x
x x<br>
a 15:31:14.786325 x
x PRACK
x<br>
a +0.448104 x
x
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>
x<br>
a 15:31:15.234429 x PRACK
x x
x<br>
a +0.045697 x
qqqqqqqqqqqqqqqqqqqqqqqq>>> x
x x<br>
a 15:31:15.280126 x
x PRACK
x<br>
a +0.954153 x
x
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
x<br>
a 15:31:16.234279 x PRACK
x x
x<br>
a +0.045832 x
qqqqqqqqqqqqqqqqqqqqqqqq>>> x
x x<br>
a 15:31:16.280111 x
x PRACK
x<br>
a +1.954170 x
x
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
x<br>
a 15:31:18.234281 x PRACK
x x
x<br>
a +0.045839 x
qqqqqqqqqqqqqqqqqqqqqqqq>>> x
x x<br>
a 15:31:18.280120 x
x PRACK
x<br>
a +1.829676 x
x
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
x<br>
a 15:31:20.109796 x
x x 183 Session
Progress (SDP) x<br>
a +0.001460 x
x x
<<<qqqqqqqqqqqqqqqqqqqqqqqq x<br>
a 15:31:20.111256 x 183 Session Progress (SDP)
x x
x<br>
a +2.123075 x
<<<qqqqqqqqqqqqqqqqqqqqqqqq x
x x<br>
a 15:31:22.234331 x PRACK
x x
x<br>
a +0.045825 x
qqqqqqqqqqqqqqqqqqqqqqqq>>> x
x x<br>
a 15:31:22.280156 x
x PRACK
x<br>
a +2.239640 x
x
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
x<br>
a 15:31:24.519796 x
x x 486 Busy
Here x<br>
a +0.000555 x
x x
<qqqqqqqqqqqqqqqqqqqqqqqqqq x<br>
a 15:31:24.520351 x
x x ACK
x<br>
a +0.008965 x
x x
qqqqqqqqqqqqqqqqqqqqqqqqqq> x<br>
a 15:31:24.529316 x 486 Busy Here
x x
x<br>
a +0.000835 x
<qqqqqqqqqqqqqqqqqqqqqqqqqq x
x x<br>
a 15:31:24.530151 x ACK
x x
x<br>
a +1.704184 x
qqqqqqqqqqqqqqqqqqqqqqqqqq> x
x x<br>
a 15:31:26.234335 x PRACK
x x
x<br>
a +0.045856 x
qqqqqqqqqqqqqqqqqqqqqqqqqq> x
x x<br>
a 15:31:26.280191 x
x PRACK
x<br>
a +3.954734 x
x
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
x<br>
a 15:31:30.234925 x PRACK
x x
x<br>
x +0.045279 x
qqqqqqqqqqqqqqqqqqqqqqqq>>> x
x x<br>
x 15:31:30.280204 x
x PRACK
x<br>
x +3.954116 x
x
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq>>>
x<br>
x 15:31:34.234320 x PRACK
x x
x <br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>2021/09/21 15:31:11.787490 <a href="http://50.50.50.210:5060" target="_blank">50.50.50.210:5060</a>
-> <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a><br>
INVITE <a href="http://sip:123456789@sip.mydomain.com:5060" target="_blank">sip:123456789@sip.mydomain.com:5060</a>
SIP/2.0<br>
Record-Route:
<a><sip:50.50.50.210;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes></a><br>
Record-Route:
<a><sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes></a><br>
Via: SIP/2.0/UDP
50.50.50.210;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias<br>
Max-Forwards: 69<br>
From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>><br>
Contact: "MyUserNAme"
<a><sip:mycustomerid@10.2.1.160:58568;transport=TLS;ob;alias=100.100.100.61~48572~3></a><br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14320 INVITE<br>
Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE,
INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS<br>
Supported: replaces, 100rel, timer, norefersub<br>
Session-Expires: 1800<br>
Min-SE: 90<br>
User-Agent: MicroSIP/3.20.5<br>
Content-Type: application/sdp<br>
Content-Length: 326<br>
P-Asserted-Identity: <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>><br>
<br>
v=0<br>
o=- 3841227071 3841227071 IN IP4 50.50.50.215<br>
s=pjmedia<br>
b=AS:84<br>
t=0 0<br>
a=X-nat:0<br>
m=audio 36448 RTP/AVP 8 0 101<br>
c=IN IP4 50.50.50.215<br>
b=TIAS:64000<br>
a=ssrc:2024148033 cname:4f2468fd611910fa<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:0 PCMU/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-16<br>
a=sendrecv<br>
a=rtcp:36449<br>
<br>
<br>
2021/09/21 15:31:11.790589 <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a>
-> <a href="http://50.50.50.210:5060" target="_blank">50.50.50.210:5060</a><br>
SIP/2.0 100 trying -- your call is important to us<br>
Via: SIP/2.0/UDP
50.50.50.210;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3;rport=5060<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias<br>
From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>><br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14320 INVITE<br>
Server: myserver<br>
Content-Length: 0<br>
<br>
<br>
2021/09/21 15:31:11.792809 <a href="http://50.50.50.182:32818" target="_blank">50.50.50.182:32818</a>
-> <a href="http://200.200.200.209:5060" target="_blank">200.200.200.209:5060</a><br>
INVITE <a href="http://sip:123456789@sip.mydomain.com:5060" target="_blank">sip:123456789@sip.mydomain.com:5060</a>
SIP/2.0<br>
Record-Route:
<a><sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Record-Route:
<a><sip:50.50.50.182;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Record-Route:
<a><sip:50.50.50.210;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes></a><br>
Record-Route:
<a><sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes></a><br>
Via: SIP/2.0/TCP
50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0<br>
Via: SIP/2.0/UDP
50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias<br>
Max-Forwards: 68<br>
From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>><br>
Contact: "MyUserNAme"
<a><sip:mycustomerid@10.2.1.160:58568;transport=TLS;ob;alias=100.100.100.61~48572~3></a><br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14320 INVITE<br>
Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE,
INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS<br>
Supported: replaces, 100rel, timer, norefersub<br>
Session-Expires: 1800<br>
Min-SE: 90<br>
Content-Type: application/sdp<br>
Content-Length: 326<br>
P-Asserted-Identity: <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>><br>
<br>
v=0<br>
o=- 3841227071 3841227071 IN IP4 50.50.50.183<br>
s=pjmedia<br>
b=AS:84<br>
t=0 0<br>
a=X-nat:0<br>
m=audio 29308 RTP/AVP 8 0 101<br>
c=IN IP4 50.50.50.183<br>
b=TIAS:64000<br>
a=ssrc:2024148033 cname:4f2468fd611910fa<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:0 PCMU/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-16<br>
a=sendrecv<br>
a=rtcp:29309<br>
<br>
<br>
2021/09/21 15:31:11.813534 <a href="http://200.200.200.209:5060" target="_blank">200.200.200.209:5060</a>
-> <a href="http://50.50.50.182:32818" target="_blank">50.50.50.182:32818</a><br>
SIP/2.0 100 Trying<br>
Via: SIP/2.0/TCP
50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0<br>
Via: SIP/2.0/UDP
50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias<br>
From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14320 INVITE<br>
Content-Length: 0<br>
<br>
<br>
2021/09/21 15:31:14.442418 <a href="http://200.200.200.209:5060" target="_blank">200.200.200.209:5060</a>
-> <a href="http://50.50.50.182:32818" target="_blank">50.50.50.182:32818</a><br>
SIP/2.0 183 Session Progress<br>
Via: SIP/2.0/TCP
50.50.50.182:5080;branch=z9hG4bK37fe.254ecab744d678154779037580c59731.0<br>
Via: SIP/2.0/UDP
50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias<br>
From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14320 INVITE<br>
Record-Route:
<a><sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Record-Route:
<a><sip:50.50.50.182:5060;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Record-Route:
<a><sip:50.50.50.210:5060;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes></a><br>
Record-Route:
<a><sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes></a><br>
Contact: <<a href="http://sip:123456789@200.200.200.209:5060" target="_blank">sip:123456789@200.200.200.209:5060</a>><br>
Allow:
INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS<br>
Require: 100rel<br>
RSeq: 1509<br>
Content-Length: 241<br>
Content-Disposition: session; handling=required<br>
Content-Type: application/sdp<br>
<br>
v=0<br>
o=Sonus_UAC 12038 7929 IN IP4 200.200.200.209<br>
s=SIP Media Capabilities<br>
c=IN IP4 200.200.200.212<br>
t=0 0<br>
m=audio 17366 RTP/AVP 8 101<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-15<br>
a=sendrecv<br>
a=maxptime:20<br>
<br>
<br>
2021/09/21 15:31:14.443990 <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a>
-> <a href="http://50.50.50.210:5060" target="_blank">50.50.50.210:5060</a><br>
SIP/2.0 183 Session Progress<br>
Via: SIP/2.0/UDP
50.50.50.210;rport=5060;branch=z9hG4bK37fe.f05cee0feff15d488a12d3758cece7ae.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj472f07568b924214ada83ddfb0fb12b6;alias<br>
From: 987654321 <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14320 INVITE<br>
Record-Route:
<a><sip:50.50.50.182:5080;transport=tcp;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Record-Route:
<a><sip:50.50.50.182:5060;r2=on;lr=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Record-Route:
<a><sip:50.50.50.210:5060;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes></a><br>
Record-Route:
<a><sip:50.50.50.210:5061;transport=tls;r2=on;lr;ftag=73622588a6084d8ba1bca54781e5094d;vsf=AAAAAFpUAgECBwAABnEBB3ZdWEIAQkVFS0BHX2ljZS5ldQ--;vst=AAAAAAAAAAAKCQ8ABAkHCAYKAgdxQFpGbkJCRktDREFYU1AAV0Qw;did=e8e.bb7;nat=yes></a><br>
Contact: <<a href="http://sip:123456789@200.200.200.209:5060" target="_blank">sip:123456789@200.200.200.209:5060</a>><br>
Allow:
INVITE,ACK,CANCEL,BYE,INFO,PRACK,UPDATE,OPTIONS<br>
Require: 100rel<br>
RSeq: 1509<br>
Content-Length: 253<br>
Content-Disposition: session; handling=required<br>
Content-Type: application/sdp<br>
<br>
v=0<br>
o=Sonus_UAC 12038 7929 IN IP4 50.50.50.183<br>
s=SIP Media Capabilities<br>
c=IN IP4 50.50.50.183<br>
t=0 0<br>
m=audio 29320 RTP/AVP 8 101<br>
a=maxptime:20<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-15<br>
a=sendrecv<br>
a=rtcp:29321<br>
<br>
<br>
2021/09/21 15:31:14.743211 <a href="http://50.50.50.210:5060" target="_blank">50.50.50.210:5060</a>
-> <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a><br>
PRACK <a href="http://sip:123456789@200.200.200.209:5060" target="_blank">sip:123456789@200.200.200.209:5060</a>
SIP/2.0<br>
Via: SIP/2.0/UDP
50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias<br>
Max-Forwards: 69<br>
From: "MyUserNAme" <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14321 PRACK<br>
Route:
<a><sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Route:
<a><sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
RAck: 1509 14320 INVITE<br>
Content-Length: 0<br>
<br>
<br>
2021/09/21 15:31:14.786325 <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a>
-> <a href="http://200.200.200.209:5060" target="_blank">200.200.200.209:5060</a><br>
PRACK <a>sip:123456789transport=</a><a href="http://tcp@200.200.200.209:5060" target="_blank">tcp@200.200.200.209:5060</a>
SIP/2.0<br>
Via: SIP/2.0/UDP
50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0<br>
Via: SIP/2.0/UDP
50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias<br>
Max-Forwards: 68<br>
From: "MyUserNAme" <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14321 PRACK<br>
RAck: 1509 14320 INVITE<br>
Content-Length: 0<br>
<br>
<br>
2021/09/21 15:31:15.234429 <a href="http://50.50.50.210:5060" target="_blank">50.50.50.210:5060</a>
-> <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a><br>
PRACK <a href="http://sip:123456789@200.200.200.209:5060" target="_blank">sip:123456789@200.200.200.209:5060</a>
SIP/2.0<br>
Via: SIP/2.0/UDP
50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias<br>
Max-Forwards: 69<br>
From: "MyUserNAme" <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14321 PRACK<br>
Route:
<a><sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Route:
<a><sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
RAck: 1509 14320 INVITE<br>
Content-Length: 0<br>
<br>
<br>
2021/09/21 15:31:15.280126 <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a>
-> <a href="http://200.200.200.209:5060" target="_blank">200.200.200.209:5060</a><br>
PRACK <a>sip:123456789transport=</a><a href="http://tcp@200.200.200.209:5060" target="_blank">tcp@200.200.200.209:5060</a>
SIP/2.0<br>
Via: SIP/2.0/UDP
50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0<br>
Via: SIP/2.0/UDP
50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias<br>
Max-Forwards: 68<br>
From: "MyUserNAme" <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14321 PRACK<br>
RAck: 1509 14320 INVITE<br>
Content-Length: 0<br>
<br>
<br>
2021/09/21 15:31:16.234279 <a href="http://50.50.50.210:5060" target="_blank">50.50.50.210:5060</a>
-> <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a><br>
PRACK <a href="http://sip:123456789@200.200.200.209:5060" target="_blank">sip:123456789@200.200.200.209:5060</a>
SIP/2.0<br>
Via: SIP/2.0/UDP
50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias<br>
Max-Forwards: 69<br>
From: "MyUserNAme" <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14321 PRACK<br>
Route:
<a><sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Route:
<a><sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
RAck: 1509 14320 INVITE<br>
Content-Length: 0<br>
<br>
<br>
2021/09/21 15:31:16.280111 <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a>
-> <a href="http://200.200.200.209:5060" target="_blank">200.200.200.209:5060</a><br>
PRACK <a>sip:123456789transport=</a><a href="http://tcp@200.200.200.209:5060" target="_blank">tcp@200.200.200.209:5060</a>
SIP/2.0<br>
Via: SIP/2.0/UDP
50.50.50.182;branch=z9hG4bK47fe.3406fe45bb75c3e955b6aa67e53aff58.0<br>
Via: SIP/2.0/UDP
50.50.50.210;rport=5060;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias<br>
Max-Forwards: 68<br>
From: "MyUserNAme" <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14321 PRACK<br>
RAck: 1509 14320 INVITE<br>
Content-Length: 0<br>
<br>
<br>
2021/09/21 15:31:18.234281 <a href="http://50.50.50.210:5060" target="_blank">50.50.50.210:5060</a>
-> <a href="http://50.50.50.182:5060" target="_blank">50.50.50.182:5060</a><br>
PRACK <a href="http://sip:123456789@200.200.200.209:5060" target="_blank">sip:123456789@200.200.200.209:5060</a>
SIP/2.0<br>
Via: SIP/2.0/UDP
50.50.50.210;branch=z9hG4bK47fe.067d9577e9ab3e30e01745a2cf73b7a4.0;i=baa3<br>
Via: SIP/2.0/TLS
10.2.1.160:58568;received=100.100.100.61;rport=48572;branch=z9hG4bKPj9ab94c339144428bb7ada63b133f2c12;alias<br>
Max-Forwards: 69<br>
From: "MyUserNAme" <<a href="mailto:sip%3A987654321@sip.mydomain.com" target="_blank">sip:987654321@sip.mydomain.com</a>>;tag=73622588a6084d8ba1bca54781e5094d<br>
To: <<a href="mailto:sip%3A123456789@sip.mydomain.com" target="_blank">sip:123456789@sip.mydomain.com</a>>;tag=gK0d8c9073<br>
Call-ID: 846ffb2f076848c5b8edc876fa1c0d9b<br>
CSeq: 14321 PRACK<br>
Route:
<a><sip:50.50.50.182:5060;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
Route:
<a><sip:50.50.50.182:5080;transport=tcp;lr;r2=on;ftag=73622588a6084d8ba1bca54781e5094d;did=e8e.c4d1></a><br>
RAck: 1509 14320 INVITE<br>
Content-Length: 0<br>
<br>
</div>
<div>Any help will be much appreciated.</div>
<div><br>
</div>
<div>Kind regards,<br>
</div>
<div>Angelo</div>
</div>
</blockquote>
</div>
<br>
<fieldset></fieldset>
<pre>__________________________________________________________
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</pre>
</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
Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 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
Nov 08-11, 2021 (Europe Timezone) - Nov 22-25, 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>