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    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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    <p>Hello,</p>
    <p>ok, thanks for testing and feedback.</p>
    <p>Cheers,<br>
      Daniel<br>
    </p>
    <div class="moz-cite-prefix">On 18.12.20 09:19, Terry Tailor wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAK7XD1vVxhF+=EfN-=mbagop4tF5DzEUkpExr3T7OS0S+0Z-GQ@mail.gmail.com">
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      <div dir="ltr">
        <div>Hi Daniel,</div>
        <div>I have tested CANCEL and ACK cases with nighty Release it
          is working fine. Thank you</div>
        <div><br>
        </div>
        <div>Regards <br>
        </div>
        <font color="#888888">
          <div>Terry</div>
        </font>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Thu, Dec 17, 2020 at 6:59
          PM Daniel-Constantin Mierla <<a
            href="mailto:miconda@gmail.com" moz-do-not-send="true">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>can you try with latest git branch 5.4? I just pushed a
              commit to handle this case.</p>
            <p>You have to compile from sources, like:</p>
            <p>  * <a
href="https://kamailio.org/docs/tutorials/5.4.x/kamailio-install-guide-git/"
                target="_blank" moz-do-not-send="true">https://kamailio.org/docs/tutorials/5.4.x/kamailio-install-guide-git/</a></p>
            <p>Debian packages from branch 5.4 are also built over
              night:</p>
            <p>  * <a href="http://deb.kamailio.org/#dev54"
                target="_blank" moz-do-not-send="true">http://deb.kamailio.org/#dev54</a></p>
            <p>Cheers,<br>
              Daniel<br>
            </p>
            <div>On 17.12.20 13:05, Terry Tailor wrote:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">
                <div>Hi, I have updated Kamailio to 5.4 still there is
                  an issue with Cseq of cancel in case of cancel it is
                  not increasing cSeq</div>
                <div>here are details</div>
                <div>1. proxy a sends invite with CSeq: 102 INVITE and
                  proxy b route it to asterisk with CSeq: 102 INVITE</div>
                <div>2. asterisk sends 401 Unauthorized with CSeq: 102
                  INVITE and proxy b sends ACK with CSeq: 102 ACK</div>
                <div>3. proxy b sends invite with CSeq: 103 INVITE and
                  asterisk sends 100 Trying and 180 Ringing with CSeq:
                  103 INVITE</div>
                <div>4. proxy b relay to proxy a 180 Ringing with CSeq:
                  102 INVITE</div>
                <div>5. proxy a send CANCEL with CSeq: 102 CANCEL and
                  proxy b sends CANCEL with CSeq: 102 CANCEL to asterisk</div>
                <div>6. Now asterisk is sending 481 Call leg/transaction
                  does not exist</div>
                <div><br>
                </div>
                <div>uname -a: Linux <a href="http://example.com"
                    target="_blank" moz-do-not-send="true">example.com</a>
                  4.15.0-124-generic #127-Ubuntu SMP Fri Nov 6 10:54:43
                  UTC 2020 x86_64 GNU/Linux</div>
                <div>kamailio -v: version: kamailio 5.4.3 (x86_64/linux)<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_BLACKLIST, 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: unknown<br>
                  compiled with gcc 6.3.0</div>
                <div><br>
                </div>
                <div><br>
                </div>
                <div>sip logs: <br>
                </div>
                <div><br>
                </div>
                <div><br>
                </div>
                <div>2020/12/17 11:42:32.289934 <a
                    href="http://proxy-a.com:5060" target="_blank"
                    moz-do-not-send="true">proxy-a.com:5060</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  INVITE <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Record-Route: <sip:<a href="http://proxy-a.com"
                    target="_blank" moz-do-not-send="true">proxy-a.com</a>;lr><br>
                  Via: SIP/2.0/UDP
                  proxy-a.com:5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                  Contact: <<a href="http://sip:54321@did.com:5060"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com:5060</a>><br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  User-Agent: VB-Proxy<br>
                  CSeq: 102 INVITE<br>
                  User-Agent: did<br>
                  Date: Thu, 17 Dec 2020 11:42:32 GMT<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Remote-Party-ID: "54321" <<a
                    href="mailto:sip%3A54321@did.com" target="_blank"
                    moz-do-not-send="true">sip:54321@did.com</a>>;party=calling;privacy=off;screen=no<br>
                  Content-Type: application/sdp<br>
                  Content-Length: 889<br>
                  <br>
                  2020/12/17 11:42:32.290569 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://proxy-a.com:5060" target="_blank"
                    moz-do-not-send="true">proxy-a.com:5060</a><br>
                  SIP/2.0 100 trying -- your call is important to us<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1;rport=5060<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 INVITE<br>
                  Server: kamailio (5.4.3 (x86_64/linux))<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:32.291036 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a><br>
                  INVITE <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Record-Route: <sip:<a
                    href="http://sip.comms.kuflink.com" target="_blank"
                    moz-do-not-send="true">sip.comms.kuflink.com</a>;lr;did=baf.7bf1><br>
                  Record-Route: <sip:<a href="http://proxy-a.com"
                    target="_blank" moz-do-not-send="true">proxy-a.com</a>;lr><br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.0<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                  Contact: <<a href="http://sip:54321@did.com:5060"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com:5060</a>><br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  User-Agent: VB-Proxy<br>
                  CSeq: 102 INVITE<br>
                  User-Agent: did<br>
                  Date: Thu, 17 Dec 2020 11:42:32 GMT<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Remote-Party-ID: "54321" <<a
                    href="mailto:sip%3A54321@did.com" target="_blank"
                    moz-do-not-send="true">sip:54321@did.com</a>>;party=calling;privacy=off;screen=no<br>
                  Content-Type: application/sdp<br>
                  Content-Length: 889<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:32.308279 <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  SIP/2.0 401 Unauthorized<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.0;received=10.0.14.118;rport=5060<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as152bd976<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 INVITE<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  WWW-Authenticate: Digest algorithm=MD5, realm="<a
                    href="http://sip1.comms.kuflink.com" target="_blank"
                    moz-do-not-send="true">sip1.comms.kuflink.com</a>",
                  nonce="3673a540"<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  2020/12/17 11:42:32.308770 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a><br>
                  ACK <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.0<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as152bd976<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 ACK<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  2020/12/17 11:42:32.309610 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a><br>
                  INVITE <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Record-Route: <sip:<a
                    href="http://sip.comms.kuflink.com" target="_blank"
                    moz-do-not-send="true">sip.comms.kuflink.com</a>;lr;did=baf.7bf1><br>
                  Record-Route: <sip:<a href="http://proxy-a.com"
                    target="_blank" moz-do-not-send="true">proxy-a.com</a>;lr><br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1.cs102<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                  Contact: <<a href="http://sip:54321@did.com:5060"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com:5060</a>><br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  User-Agent: VB-Proxy<br>
                  CSeq: 103 INVITE<br>
                  User-Agent: did<br>
                  Date: Thu, 17 Dec 2020 11:42:32 GMT<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Remote-Party-ID: "54321" <<a
                    href="mailto:sip%3A54321@did.com" target="_blank"
                    moz-do-not-send="true">sip:54321@did.com</a>>;party=calling;privacy=off;screen=no<br>
                  Content-Type: application/sdp<br>
                  Content-Length: 889<br>
                  Authorization: Digest username="did095499", realm="<a
                    href="http://sip1.comms.kuflink.com" target="_blank"
                    moz-do-not-send="true">sip1.comms.kuflink.com</a>",
                  nonce="3673a540", uri="<a
                    href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>",
                  response="24d8949f18f4f2650913ce3feaa78380",
                  algorithm=MD5<br>
                  <br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:32.333610 <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  SIP/2.0 100 Trying<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1.cs102;received=10.0.14.118;rport=5060<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  Record-Route: <sip:<a
                    href="http://sip.comms.kuflink.com" target="_blank"
                    moz-do-not-send="true">sip.comms.kuflink.com</a>;lr;did=baf.7bf1><br>
                  Record-Route: <sip:<a href="http://proxy-a.com"
                    target="_blank" moz-do-not-send="true">proxy-a.com</a>;lr><br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 103 INVITE<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Session-Expires: 1800;refresher=uas<br>
                  Contact: <<a
                    href="http://sip:123456@10.0.14.118:6000"
                    target="_blank" moz-do-not-send="true">sip:123456@10.0.14.118:6000</a>><br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:34.276380 <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  SIP/2.0 180 Ringing<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1.cs102;received=10.0.14.118;rport=5060<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  Record-Route: <sip:<a
                    href="http://sip.comms.kuflink.com" target="_blank"
                    moz-do-not-send="true">sip.comms.kuflink.com</a>;lr;did=baf.7bf1><br>
                  Record-Route: <sip:<a href="http://proxy-a.com"
                    target="_blank" moz-do-not-send="true">proxy-a.com</a>;lr><br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as12b14194<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 103 INVITE<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Session-Expires: 1800;refresher=uas<br>
                  Contact: <<a
                    href="http://sip:123456@10.0.14.118:6000"
                    target="_blank" moz-do-not-send="true">sip:123456@10.0.14.118:6000</a>><br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  2020/12/17 11:42:34.277337 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://proxy-a.com:5060" target="_blank"
                    moz-do-not-send="true">proxy-a.com:5060</a><br>
                  SIP/2.0 180 Ringing<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  Record-Route: <sip:<a
                    href="http://sip.comms.kuflink.com" target="_blank"
                    moz-do-not-send="true">sip.comms.kuflink.com</a>;lr;did=baf.7bf1><br>
                  Record-Route: <sip:<a href="http://proxy-a.com"
                    target="_blank" moz-do-not-send="true">proxy-a.com</a>;lr><br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as12b14194<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 INVITE<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Session-Expires: 1800;refresher=uas<br>
                  Contact: <a moz-do-not-send="true"><sip:123456@10.0.14.118:6000;alias=10.0.14.118~6000~1></a><br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:38.113181 <a
                    href="http://proxy-a.com:5060" target="_blank"
                    moz-do-not-send="true">proxy-a.com:5060</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  CANCEL <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Via: SIP/2.0/UDP
                  proxy-a.com:5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 CANCEL<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  2020/12/17 11:42:38.113918 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a><br>
                  CANCEL <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 CANCEL<br>
                  Content-Length: 0<br>
                  P-K-CSeq-Auth: 103<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:38.114114 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://proxy-a.com:5060" target="_blank"
                    moz-do-not-send="true">proxy-a.com:5060</a><br>
                  SIP/2.0 200 canceling<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1;rport=5060<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=a74459175e9494c7e23ffeb306461015-0f770312<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 CANCEL<br>
                  Server: kamailio (5.4.3 (x86_64/linux))<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:38.116456 <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  SIP/2.0 481 Call leg/transaction does not exist<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1;received=10.0.14.118;rport=5060<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as24deed39<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 CANCEL<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:54.554350 <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  SIP/2.0 183 Session Progress<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1.cs102;received=10.0.14.118;rport=5060<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  Record-Route: <sip:<a
                    href="http://sip.comms.kuflink.com" target="_blank"
                    moz-do-not-send="true">sip.comms.kuflink.com</a>;lr;did=baf.7bf1><br>
                  Record-Route: <sip:<a href="http://proxy-a.com"
                    target="_blank" moz-do-not-send="true">proxy-a.com</a>;lr><br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as12b14194<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 103 INVITE<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Session-Expires: 1800;refresher=uas<br>
                  Contact: <<a
                    href="http://sip:123456@10.0.14.118:6000"
                    target="_blank" moz-do-not-send="true">sip:123456@10.0.14.118:6000</a>><br>
                  Content-Type: application/sdp<br>
                  Require: timer<br>
                  Content-Length: 292<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:54.554978 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a><br>
                  CANCEL <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 CANCEL<br>
                  Content-Length: 0<br>
                  P-K-CSeq-Auth: 103<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:54.557082 <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  SIP/2.0 481 Call leg/transaction does not exist<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1;received=10.0.14.118;rport=5060<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as5eee0295<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 CANCEL<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:59.617825 <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  SIP/2.0 603 Declined<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1.cs102;received=10.0.14.118;rport=5060<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as12b14194<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 103 INVITE<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Session-Expires: 1800;refresher=uas<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:59.618423 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://10.0.14.118:6000" target="_blank"
                    moz-do-not-send="true">10.0.14.118:6000</a><br>
                  ACK <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Via: SIP/2.0/UDP
sip.comms.kuflink.com:5060;branch=z9hG4bKb7e1.bbcb7aefd10825105e2fce86fd82efe6.1.cs102<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as12b14194<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 103 ACK<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:59.618944 <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a> -> <a
                    href="http://proxy-a.com:5060" target="_blank"
                    moz-do-not-send="true">proxy-a.com:5060</a><br>
                  SIP/2.0 603 Declined<br>
                  Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Via: SIP/2.0/UDP did.com:5060;received=<a
                    href="http://did.com" target="_blank"
                    moz-do-not-send="true">did.com</a>;branch=z9hG4bK3756a567;rport=5060<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as12b14194<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 INVITE<br>
                  Server: did<br>
                  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER,
                  SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE<br>
                  Supported: replaces, timer<br>
                  Session-Expires: 1800;refresher=uas<br>
                  Content-Length: 0<br>
                  <br>
                  <br>
                  <br>
                  2020/12/17 11:42:59.620074 <a
                    href="http://proxy-a.com:5060" target="_blank"
                    moz-do-not-send="true">proxy-a.com:5060</a> -> <a
                    href="http://10.0.14.118:5060" target="_blank"
                    moz-do-not-send="true">10.0.14.118:5060</a><br>
                  ACK <a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                  SIP/2.0<br>
                  Via: SIP/2.0/UDP
                  proxy-a.com:5060;branch=z9hG4bKb7e1.f58c5fbd664fa63cd69162afcb07f88a.1<br>
                  Max-Forwards: 70<br>
                  From: "54321" <<a href="mailto:sip%3A54321@did.com"
                    target="_blank" moz-do-not-send="true">sip:54321@did.com</a>>;tag=as02b3f892<br>
                  To: <<a href="mailto:sip%3A123456@proxy-a.com"
                    target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as12b14194<br>
                  Call-ID: <a
                    href="mailto:6a981008384dd72c23ee9e59690eb5eb@did.com"
                    target="_blank" moz-do-not-send="true">6a981008384dd72c23ee9e59690eb5eb@did.com</a><br>
                  CSeq: 102 ACK<br>
                  Content-Length: 0</div>
              </div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr" class="gmail_attr">On Thu, Dec 17, 2020
                  at 4:52 PM George Diamantopoulos <<a
                    href="mailto:georgediam@gmail.com" target="_blank"
                    moz-do-not-send="true">georgediam@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 dir="ltr">
                    <div>Not sure if this is related, but I've also run
                      into issues with track_cseq_updates:</div>
                    <div style="margin-left:40px"><a
href="https://www.mail-archive.com/sr-users@lists.kamailio.org/msg12362.html"
                        target="_blank" moz-do-not-send="true">https://www.mail-archive.com/sr-users@lists.kamailio.org/msg12362.html</a></div>
                    <div><br>
                    </div>
                    <div>More specifically, kamailio won't process the
                      100 Trying to an Cseq-bumped INVITE it generated</div>
                    <div>itself with uac_auth() when track_cseq_updates
                      is on.<br>
                    </div>
                    <div><br>
                    </div>
                    <div>This implementation appears to be a little too
                      fragile for the time being....</div>
                    <div><br>
                    </div>
                    <div>BR,</div>
                    <div>George<br>
                    </div>
                  </div>
                  <br>
                  <div class="gmail_quote">
                    <div dir="ltr" class="gmail_attr">On Thu, 17 Dec
                      2020 at 12:29, Terry Tailor <<a
                        href="mailto:terry@fullduplex.co.uk"
                        target="_blank" moz-do-not-send="true">terry@fullduplex.co.uk</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 dir="ltr">
                        <div>Hi, Here is setup details</div>
                        <div>Kamailio Proxy a <-----> Kamailio
                          Proxy b  <-----> Asterisk</div>
                        <div>Kamailio proxy b auth based on IP Kamailio
                          Proxy a<br>
                        </div>
                        <div>1. Kamailio proxy sends an Invite request
                          to Kamailio proxy b with CSeq: 102 INVITE</div>
                        <div>2. Kamailio proxy b check again IP auth and
                          sends invite request to asterisk with CSeq:
                          102 INVITE</div>
                        <div>4 asterisk response with 401 Unauthorized
                          with  CSeq: 102 <br>
                        </div>
                        <div>5. Kamailio proxy b sends ACK request with
                          CSeq: 102 ACK</div>
                        <div>6. Kamailio proxy b sends INVITE request
                          with CSeq: 103 INVITE</div>
                        <div>7. Asterisk sends 100 trying and 180
                          ringing with CSeq: 103 INVITE</div>
                        <div>8. Kamailio proxy b relay 180 ringing with 
                          CSeq: 102 INVITE</div>
                        <div>9. Asterisk send 200 Ok with CSeq: 103
                          INVITE and proxy b relay it to proxy a with
                          CSeq: 102 INVITE</div>
                        <div>10. Now Proxy a send an ACK with CSeq: 102
                          ACK and proxy b relay ACK to asterisk with
                          CSeq: 102 ACK<br>
                        </div>
                        <div><br>
                        </div>
                        <div>Now asterisk is retransmitting 200 ok with
                          CSeq: 103 INVITE and proxy a is sending ACK
                          with Cseq: 102 ACK</div>
                        <div><br>
                        </div>
                        <div>Same happing in case of 487 Request
                          Terminated</div>
                        <div><br>
                        </div>
                        <div>Here is my config</div>
                        <div><br>
                        </div>
                        <div>modparam("dialog", "default_timeout",
                          10800) # 3h<br>
                          modparam("dialog", "dlg_match_mode", 1)<br>
                          modparam("dialog", "db_mode", 0)<br>
                          modparam("dialog", "send_bye", 1)<br>
                          modparam("dialog", "track_cseq_updates", 1)<br>
modparam("uac","auth_username_avp","$avp(auser)")<br>
modparam("uac","auth_password_avp","$avp(apass)")<br>
modparam("uac","auth_realm_avp","$avp(arealm)")</div>
                        <div><br>
                        </div>
                        <div>modparam("tm", "failure_reply_mode", 3)<br>
                          # default retransmission timeout: 3 sec<br>
                          modparam("tm", "fr_timer", 2000)<br>
                          modparam("tm", "retr_timer1", 250)<br>
                          modparam("tm", "retr_timer2", 500)<br>
                          # default invite retransmission timeout after
                          1xx: 60 sec<br>
                          modparam("tm", "fr_inv_timer", 60000)<br>
                          modparam("tm", "reparse_on_dns_failover", 0)</div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div>if (is_method("INVITE") &&
                          !has_totag()) {<br>
                                  dlg_setflag(FLD_RTPPROXY);<br>
                                  dlg_manage();<br>
                              }<br>
                              route(RELAY);</div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div>route[RELAY] {<br>
                          <br>
                              # At this point all checks are passed<br>
                              t_on_branch("MANAGE_BRANCH");<br>
                              t_on_reply("MANAGE_REPLY");<br>
                              t_on_failure("MANAGE_FAILURE");<br>
                              if(is_method("INVITE") &&
                          isflagset(FLT_FROMDID)) {<br>
                               #$fd = "<a
                            href="http://sip.comms.kuflink.com"
                            target="_blank" moz-do-not-send="true">sip.comms.kuflink.com</a>";<br>
                                t_on_failure("RELAY_AUTH");<br>
                              }<br>
                          <br>
                              if (!t_relay()) {<br>
                                  send_reply("500", "Cannot relay to
                          $du/$ru");<br>
                              }<br>
                              exit;<br>
                          }<br>
                          <br>
                          failure_route[RELAY_AUTH] {<br>
                              t_on_branch("MANAGE_BRANCH");<br>
                              t_on_reply("MANAGE_REPLY");<br>
                              if (t_is_canceled()) {<br>
                                  exit;<br>
                              }<br>
                              if(t_check_status("401|407")) {<br>
                                  #$fd = "<a
                            href="http://sip.comms.kuflink.com"
                            target="_blank" moz-do-not-send="true">sip.comms.kuflink.com</a>";<br>
                                  $avp(auser) = "DID_UA_USERNAME";<br>
                                  $avp(apass) = "DID_UA_PASSWORD";<br>
                                  if (uac_auth()) {<br>
                                      t_relay();<br>
                                  }<br>
                                  exit;<br>
                              }<br>
                          }</div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div>route[WITHINDLG] {<br>
                              if (!has_totag()) {<br>
                                  return;<br>
                              }<br>
                          <br>
                              if (is_method("BYE")) {<br>
                                  rtpengine_delete();<br>
                              }<br>
                          <br>
                              # sequential request withing a dialog
                          should<br>
                              # take the path determined by
                          record-routing<br>
                              if (loose_route()) {<br>
                                  route(DLGURI);<br>
                                  if (is_method("ACK")) {<br>
                                      # ACK is forwarded statelessly<br>
                                      route(NATMANAGE);<br>
                                  } else if (is_method("NOTIFY")) {<br>
                                      # Add Record-Route for in-dialog
                          NOTIFY as per RFC 6665.<br>
                                      record_route();<br>
                                  }<br>
                                  route(RELAY);<br>
                                  exit;<br>
                              }<br>
                          <br>
                              if (is_method("SUBSCRIBE") && uri
                          == myself) {<br>
                                  # in-dialog subscribe requests<br>
                                  route(PRESENCE);<br>
                                  exit;<br>
                              }<br>
                              if (is_method("ACK") ) {<br>
                                  if (t_check_trans()) {<br>
                                      # no loose-route, but stateful
                          ACK;<br>
                                      # must be an ACK after a 487<br>
                                      # or e.g. 404 from upstream server<br>
                                      route(RELAY);<br>
                                      exit;<br>
                                  } else {<br>
                                      # ACK without matching transaction
                          ... ignore and discard<br>
                                      exit;<br>
                                  }<br>
                              }<br>
                              send_reply("404","Not here");<br>
                              exit;<br>
                          }</div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div>kamailio -v</div>
                        <div>version: kamailio 5.3.7 (x86_64/linux)<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_BLACKLIST, 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: unknown<br>
                          compiled with gcc 6.3.0</div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div>uname -a<br>
                        </div>
                        <div>Linux <a href="http://example.com"
                            target="_blank" moz-do-not-send="true">example.com</a>
                          4.15.0-124-generic #127-Ubuntu SMP Fri Nov 6
                          10:54:43 UTC 2020 x86_64 GNU/Linux<br>
                        </div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div><br>
                        </div>
                        <div>SIP logs</div>
                        <div>2020/12/17 10:08:18.483907 <a
                            href="http://proxy-a.com:5060"
                            target="_blank" moz-do-not-send="true">proxy-a.com:5060</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          INVITE <a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                          SIP/2.0<br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          Via: SIP/2.0/UDP
                          proxy-a.com:5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Max-Forwards: 70<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                          Contact: <<a
                            href="http://sip:7654321@did.com:5060"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com:5060</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          User-Agent: ProxyA<br>
                          CSeq: 102 INVITE<br>
                          User-Agent: proxy<br>
                          Date: Thu, 17 Dec 2020 10:08:18 GMT<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Remote-Party-ID: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;party=calling;privacy=off;screen=no<br>
                          Content-Type: application/sdp<br>
                          Content-Length: 885<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:18.485063 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://proxy-a.com:5060"
                            target="_blank" moz-do-not-send="true">proxy-a.com:5060</a><br>
                          SIP/2.0 100 trying -- your call is important
                          to us<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1;rport=5060<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 INVITE<br>
                          Server: kamailio (5.3.7 (x86_64/linux))<br>
                          Content-Length: 0<br>
                          <br>
                          <br>
                          2020/12/17 10:08:18.485576 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a><br>
                          INVITE <a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                          SIP/2.0<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          Via: SIP/2.0/UDP
                          proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.0<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Max-Forwards: 70<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                          Contact: <<a
                            href="http://sip:7654321@did.com:5060"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com:5060</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          User-Agent: ProxyA<br>
                          CSeq: 102 INVITE<br>
                          User-Agent: proxy<br>
                          Date: Thu, 17 Dec 2020 10:08:18 GMT<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Remote-Party-ID: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;party=calling;privacy=off;screen=no<br>
                          Content-Type: application/sdp<br>
                          Content-Length: 885<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:18.622867 <a
                            href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          SIP/2.0 401 Unauthorized<br>
                          Via: SIP/2.0/UDP
proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.0;received=10.0.14.118;rport=5060<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as4107645c<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          WWW-Authenticate: Digest algorithm=MD5,
                          realm="<a href="http://sip1.comms.kuflink.com"
                            target="_blank" moz-do-not-send="true">sip1.comms.kuflink.com</a>",
                          nonce="11139d33"<br>
                          Content-Length: 0<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:18.624034 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a><br>
                          ACK <a href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                          SIP/2.0<br>
                          Via: SIP/2.0/UDP
                          proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.0<br>
                          Max-Forwards: 70<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as4107645c<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 ACK<br>
                          Content-Length: 0<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:18.625557 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a><br>
                          INVITE <a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>
                          SIP/2.0<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          Via: SIP/2.0/UDP
proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.1.cs102<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Max-Forwards: 70<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                          Contact: <<a
                            href="http://sip:7654321@did.com:5060"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com:5060</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          User-Agent: ProxyA<br>
                          CSeq: 103 INVITE<br>
                          User-Agent: proxy<br>
                          Date: Thu, 17 Dec 2020 10:08:18 GMT<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Remote-Party-ID: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;party=calling;privacy=off;screen=no<br>
                          Content-Type: application/sdp<br>
                          Content-Length: 885<br>
                          Authorization: Digest username="xxxxx",
                          realm="xxxx", nonce="11139d33", uri="<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>",
                          response="qwewqeqwe", algorithm=MD5<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:18.779483 <a
                            href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          SIP/2.0 100 Trying<br>
                          Via: SIP/2.0/UDP
proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.1.cs102;received=10.0.14.118;rport=5060<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 103 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <<a
                            href="http://sip:123456@10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">sip:123456@10.0.14.118:6000</a>><br>
                          Content-Length: 0<br>
                          <br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:20.937756 <a
                            href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          SIP/2.0 180 Ringing<br>
                          Via: SIP/2.0/UDP
proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.1.cs102;received=10.0.14.118;rport=5060<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 103 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <<a
                            href="http://sip:123456@10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">sip:123456@10.0.14.118:6000</a>><br>
                          Content-Length: 0<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:20.938593 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://proxy-a.com:5060"
                            target="_blank" moz-do-not-send="true">proxy-a.com:5060</a><br>
                          SIP/2.0 180 Ringing<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <a moz-do-not-send="true"><sip:123456@10.0.14.118:6000;alias=10.0.14.118~6000~1></a><br>
                          Content-Length: 0<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:22.075814 <a
                            href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          SIP/2.0 200 OK<br>
                          Via: SIP/2.0/UDP
proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.1.cs102;received=10.0.14.118;rport=5060<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 103 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <<a
                            href="http://sip:123456@10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">sip:123456@10.0.14.118:6000</a>><br>
                          Content-Type: application/sdp<br>
                          Require: timer<br>
                          Content-Length: 296<br>
                          <br>
                          <br>
                          2020/12/17 10:08:22.077049 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://proxy-a.com:5060"
                            target="_blank" moz-do-not-send="true">proxy-a.com:5060</a><br>
                          SIP/2.0 200 OK<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <a moz-do-not-send="true"><sip:123456@10.0.14.118:6000;alias=10.0.14.118~6000~1></a><br>
                          Content-Type: application/sdp<br>
                          Require: timer<br>
                          Content-Length: 316<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:22.103365 <a
                            href="http://proxy-a.com:5060"
                            target="_blank" moz-do-not-send="true">proxy-a.com:5060</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          ACK
                          <a moz-do-not-send="true">sip:123456@10.0.14.118:6000;alias=10.0.14.118~6000~1;alias=109.72.216.251~5060~1</a>
                          SIP/2.0<br>
                          Via: SIP/2.0/UDP
                          proxy-a.com:5060;branch=z9hG4bKbe6d.0fc1940efc770391762d7d67094c24f8.0<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK2a5fae72;rport=5060<br>
                          Route: <sip:<a href="http://proxy-b.com"
                            target="_blank" moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Max-Forwards: 70<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Contact: <<a
                            href="http://sip:7654321@did.com:5060"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com:5060</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 ACK<br>
                          User-Agent: proxy<br>
                          Content-Length: 0<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:22.103877 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a><br>
                          ACK <a moz-do-not-send="true">sip:123456@10.0.14.118:6000;alias=109.72.216.251~5060~1</a>
                          SIP/2.0<br>
                          Via: SIP/2.0/UDP
                          proxy-b.com:5060;branch=z9hG4bKbe6d.79f351d031912aae585207d2f26d5650.0<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.0fc1940efc770391762d7d67094c24f8.0<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK2a5fae72;rport=5060<br>
                          Max-Forwards: 70<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Contact: <<a
                            href="http://sip:7654321@did.com:5060"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com:5060</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 ACK<br>
                          User-Agent: proxy<br>
                          Content-Length: 0<br>
                          P-K-CSeq-Refresh: 103<br>
                          <br>
                          <br>
                          2020/12/17 10:08:22.575533 <a
                            href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          SIP/2.0 200 OK<br>
                          Via: SIP/2.0/UDP
proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.1.cs102;received=10.0.14.118;rport=5060<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 103 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <<a
                            href="http://sip:123456@10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">sip:123456@10.0.14.118:6000</a>><br>
                          Content-Type: application/sdp<br>
                          Require: timer<br>
                          Content-Length: 296<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:22.576777 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://proxy-a.com:5060"
                            target="_blank" moz-do-not-send="true">proxy-a.com:5060</a><br>
                          SIP/2.0 200 OK<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <a moz-do-not-send="true"><sip:123456@10.0.14.118:6000;alias=10.0.14.118~6000~1></a><br>
                          Content-Type: application/sdp<br>
                          Require: timer<br>
                          Content-Length: 316<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:22.581649 <a
                            href="http://proxy-a.com:5060"
                            target="_blank" moz-do-not-send="true">proxy-a.com:5060</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          ACK
                          <a moz-do-not-send="true">sip:123456@10.0.14.118:6000;alias=10.0.14.118~6000~1;alias=109.72.216.251~5060~1</a>
                          SIP/2.0<br>
                          Via: SIP/2.0/UDP
                          proxy-a.com:5060;branch=z9hG4bKbe6d.b9c7eeccd4cd7b44f05b173308dbaf0a.0<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK219933f6;rport=5060<br>
                          Route: <sip:<a href="http://proxy-b.com"
                            target="_blank" moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Max-Forwards: 70<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Contact: <<a
                            href="http://sip:7654321@did.com:5060"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com:5060</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 ACK<br>
                          User-Agent: proxy<br>
                          Content-Length: 0<br>
                          <br>
                          <br>
                          <br>
                          2020/12/17 10:08:22.582313 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a><br>
                          ACK <a moz-do-not-send="true">sip:123456@10.0.14.118:6000;alias=109.72.216.251~5060~1</a>
                          SIP/2.0<br>
                          Via: SIP/2.0/UDP
                          proxy-b.com:5060;branch=z9hG4bKbe6d.33626b5695ad4648ba393bc62bed6a8c.0<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.b9c7eeccd4cd7b44f05b173308dbaf0a.0<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK219933f6;rport=5060<br>
                          Max-Forwards: 70<br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Contact: <<a
                            href="http://sip:7654321@did.com:5060"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com:5060</a>><br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 ACK<br>
                          User-Agent: proxy<br>
                          Content-Length: 0<br>
                          P-K-CSeq-Refresh: 103<br>
                          <br>
                          <br>
                          2020/12/17 10:08:23.575828 <a
                            href="http://10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">10.0.14.118:6000</a>
                          -> <a href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a><br>
                          SIP/2.0 200 OK<br>
                          Via: SIP/2.0/UDP
proxy-b.com:5060;branch=z9hG4bKbe6d.619fd995c3fc8764ce5cd9c7be7efeef.1.cs102;received=10.0.14.118;rport=5060<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 103 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <<a
                            href="http://sip:123456@10.0.14.118:6000"
                            target="_blank" moz-do-not-send="true">sip:123456@10.0.14.118:6000</a>><br>
                          Content-Type: application/sdp<br>
                          Require: timer<br>
                          Content-Length: 296<br>
                          <br>
                          <br>
                          2020/12/17 10:08:23.577863 <a
                            href="http://10.0.14.118:5060"
                            target="_blank" moz-do-not-send="true">10.0.14.118:5060</a>
                          -> <a href="http://proxy-a.com:5060"
                            target="_blank" moz-do-not-send="true">proxy-a.com:5060</a><br>
                          SIP/2.0 200 OK<br>
                          Via: SIP/2.0/UDP
proxy-a.com:5060;rport=5060;branch=z9hG4bKbe6d.10c4c5f001c66b8976214d4aef9f635c.1<br>
                          Via: SIP/2.0/UDP did.com:5060;received=<a
                            href="http://did.com" target="_blank"
                            moz-do-not-send="true">did.com</a>;branch=z9hG4bK45f94ed9;rport=5060<br>
                          Record-Route: <sip:<a
                            href="http://proxy-b.com" target="_blank"
                            moz-do-not-send="true">proxy-b.com</a>;lr;did=d18.7a9><br>
                          Record-Route: <sip:<a
                            href="http://proxy-a.com" target="_blank"
                            moz-do-not-send="true">proxy-a.com</a>;lr><br>
                          From: "7654321" <<a
                            href="mailto:sip%3A7654321@did.com"
                            target="_blank" moz-do-not-send="true">sip:7654321@did.com</a>>;tag=as55c522e1<br>
                          To: <<a
                            href="mailto:sip%3A123456@proxy-a.com"
                            target="_blank" moz-do-not-send="true">sip:123456@proxy-a.com</a>>;tag=as147bfa3e<br>
                          Call-ID: <a
                            href="mailto:67675c7e636d6e773860255316e54779@did.com"
                            target="_blank" moz-do-not-send="true">67675c7e636d6e773860255316e54779@did.com</a><br>
                          CSeq: 102 INVITE<br>
                          Server: proxy<br>
                          Allow: INVITE, ACK, CANCEL, OPTIONS, BYE,
                          REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH,
                          MESSAGE<br>
                          Supported: replaces, timer<br>
                          Session-Expires: 1800;refresher=uas<br>
                          Contact: <a moz-do-not-send="true"><sip:123456@10.0.14.118:6000;alias=10.0.14.118~6000~1></a><br>
                          Content-Type: application/sdp<br>
                          Require: timer<br>
                          Content-Length: 316<br>
                          <br>
                          <br>
                          <br>
                        </div>
                      </div>
                      _______________________________________________<br>
                      Kamailio (SER) - Users Mailing List<br>
                      <a href="mailto:sr-users@lists.kamailio.org"
                        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" target="_blank"
                        moz-do-not-send="true">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br>
                    </blockquote>
                  </div>
                  _______________________________________________<br>
                  Kamailio (SER) - Users Mailing List<br>
                  <a href="mailto:sr-users@lists.kamailio.org"
                    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" target="_blank"
                    moz-do-not-send="true">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br>
                </blockquote>
              </div>
              <br>
              <fieldset></fieldset>
              <pre>_______________________________________________
Kamailio (SER) - Users Mailing List
<a href="mailto:sr-users@lists.kamailio.org" target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a>
<a href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" target="_blank" moz-do-not-send="true">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a>
</pre>
            </blockquote>
            <pre cols="72">-- 
Daniel-Constantin Mierla -- <a href="http://www.asipto.com" target="_blank" moz-do-not-send="true">www.asipto.com</a>
<a href="http://www.twitter.com/miconda" target="_blank" moz-do-not-send="true">www.twitter.com/miconda</a> -- <a href="http://www.linkedin.com/in/miconda" target="_blank" moz-do-not-send="true">www.linkedin.com/in/miconda</a>
Funding: <a href="https://www.paypal.me/dcmierla" target="_blank" moz-do-not-send="true">https://www.paypal.me/dcmierla</a></pre>
          </div>
        </blockquote>
      </div>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
Daniel-Constantin Mierla -- <a class="moz-txt-link-abbreviated" href="http://www.asipto.com">www.asipto.com</a>
<a class="moz-txt-link-abbreviated" href="http://www.twitter.com/miconda">www.twitter.com/miconda</a> -- <a class="moz-txt-link-abbreviated" href="http://www.linkedin.com/in/miconda">www.linkedin.com/in/miconda</a>
Funding: <a class="moz-txt-link-freetext" href="https://www.paypal.me/dcmierla">https://www.paypal.me/dcmierla</a></pre>
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