<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>Hi,<br>
      the rr header for loopback is added by sipwise... and I don't
      think that it's a problem.<br>
      I tested the same scenario without topos and with same sip flow
      it's all ok.<br>
      Anyway, I created a simple scenario without sipwise and I have the
      same problem with topos.<br>
      I think (but ask you) topos have a bug when receive a request (in
      my case re-invite) into dialog with rr.<br>
      It seems that wen topos receive a request into dialog with rr it
      generate a new aLeg tag different about aLeg tag of initial
      dialog.<br>
      When topos receive the response it can't match the leg tags and
      then send corrupt response, in my case a 200 Ok without via
      header.<br>
      <br>
      New simple call flow:<br>
      <br>
          UAC                                 Kamailio1                
                Kamailio2 (topos ON)                              UAS<br>
      192.168.110.195         192.168.110.124:5062          
      192.168.110.124:5060                   192.168.110.124:5080<br>
           |                                          
      |                                                
      |                                                      |<br>
           | ----------- Invite ------------> | ---------------
      Invite -------------> | ------------------ Invite
      --------------> |<br>
           |                                           |             
      record-route:...           |    a/btpsh-59ca2ba0-3e9e-71      |<br>
           |                                          
      |                                                
      |                                                      |<br>
           | <----- 100/180/200 --------- | <-------- 100/180/200
      ---------- | <------------ 100/180/200 ----------- |<br>
           |                                          
      |                                                
      |                                                      |<br>
           | ------------ Ack --------------> | --------------- Ack
      ---------------> | ------------------- Ack
      ---------------->|<br>
           |                                            |            
      record-route: ...          |      a/btpsh-59ca2ba0-3e9e-81    |<br>
           |                                          
      |                                                
      |                                                      |<br>
           | --------- Re-Invite ----------> | ------------ Re-Invite
      -----------> | ---------------- Re-Invite ------------> |<br>
           |                                           |             
      record-route: ...         |        a/btpsh-59ca2ba0-3e9e-91   |<br>
           |                                          
      |                                                
      |                                                      |<br>
           | <----------- 200 --------------- | <------------- 200
      ----------------- | <----------------- 200 ----------------- |<br>
                           corrupt                                 
      corrupt<br>
      <br>
      From trace I see:<br>
      <br>
      <b>handing outgoing request topos receive rr and generate
        as_contact/bs_contact a uuid (tpsh-59ca2ba0-3e9e-71) and add the
        headers to Invite:</b><br>
      Sep 26 13:07:15 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(1) - [Via:
      SIP/2.0/UDP
192.168.110.124;branch=z9hG4bK1666.2c45551ca5e8d1f3bd8663aed5e6a186.0#015#012]<br>
      Sep 26 13:07:15 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) -
      [Contact:
      <a class="moz-txt-link-rfc2396E" href="mailto:sip:btpsh-59ca2ba0-3e9e-71@192.168.110.124"><sip:btpsh-59ca2ba0-3e9e-71@192.168.110.124></a>#015#012]<br>
      <br>
      <b>and it has an error (?????):</b><br>
      Sep 26 13:07:15 Pandolfinbk ./kamailio[16030]: ERROR: topos
      [tps_storage.c:1254]: tps_db_update_dialog(): no valid dlg uuid<br>
      <br>
      <b>handing inbound response without rr and load dialog from db by
        aLeg tag: </b><br>
      Sep 26 13:07:15 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:889]: tps_response_received(): loaded dialog a_uuid
      [atpsh-59ca2ba0-3e9e-71]<br>
      <br>
      <b>handling outgoing responses (180 and 200ok) and add headers
        with aLeg:</b><br>
      Sep 26 13:07:15 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) -
      [Contact:
      <a class="moz-txt-link-rfc2396E" href="mailto:sip:atpsh-59ca2ba0-3e9e-71@192.168.110.124"><sip:atpsh-59ca2ba0-3e9e-71@192.168.110.124></a>#015#012]<br>
      Sep 26 13:07:15 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) -
      [Record-Route: <sip:192.168.110.124:5062;lr>#015#012]<br>
      <br>
      <b>handling incoming request Ack with rr and generate as_contact
        and bs_contact and add the headers to Ack:</b><br>
      Sep 26 13:07:18 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) - [Route:
      <sip:192.168.110.124;lr>#015#012]<br>
      Sep 26 13:07:18 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) -
      [P-SR-XUID: atpsh-59ca2ba0-3e9e-71#015#012]<br>
      <br>
      <b>when handling outgoing request Ack with rr generate
        as_contact/bs_contact generate a new different uuid
        (tpsh-59ca2ba0-3e9e-81) and add the headers to Ack:</b><br>
      Sep 26 13:07:18 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_storage.c:915]: tps_db_load_branch(): no stored record for
      <z9hG4bK1666.bc447c312d7ae301d42a66dd2fa60913.0><br>
      Sep 26 13:07:18 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_storage.c:1056]: tps_db_load_dialog(): no stored record for
      <atpsh-59ca2ba0-3e9e-81><br>
      Sep 26 13:07:18 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(1) - [Via:
      SIP/2.0/UDP
192.168.110.124;branch=z9hG4bK1666.bc447c312d7ae301d42a66dd2fa60913.0#015#012]<br>
      Sep 26 13:07:18 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) -
      [Contact:
      <a class="moz-txt-link-rfc2396E" href="mailto:sip:atpsh-59ca2ba0-3e9e-81@192.168.110.124:5062"><sip:atpsh-59ca2ba0-3e9e-81@192.168.110.124:5062></a>#015#012]<br>
      <br>
      <b>handling incoming request in dialog (re-invite) with rr and
        generate as_contact/bs_contact and add the headers to Invite:</b><br>
      Sep 26 13:07:24 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) - [Route:
      <sip:192.168.110.124;lr>#015#012]<br>
      Sep 26 13:07:24 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) -
      [P-SR-XUID: atpsh-59ca2ba0-3e9e-71#015#012]<br>
      <br>
      <b>when handling outgoing request in dialog (re-invite) with rr
        generate as_contact/bs_contact generate a new different uuid
        (tpsh-59ca2ba0-3e9e-91) and add the headers to Invite:</b><br>
      Sep 26 13:07:24 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_storage.c:915]: tps_db_load_branch(): no stored record for
      <z9hG4bKe566.fadda68e524002051ed440aa035f13d9.0><br>
      Sep 26 13:07:24 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_storage.c:1056]: tps_db_load_dialog(): no stored record for
      <atpsh-59ca2ba0-3e9e-91><br>
      Sep 26 13:07:24 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(1) - [Via:
      SIP/2.0/UDP
192.168.110.124;branch=z9hG4bKe566.fadda68e524002051ed440aa035f13d9.0#015#012]<br>
      Sep 26 13:07:24 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:182]: tps_add_headers(): adding to headers(0) -
      [Contact:
      <a class="moz-txt-link-rfc2396E" href="mailto:sip:atpsh-59ca2ba0-3e9e-91@192.168.110.124:5062"><sip:atpsh-59ca2ba0-3e9e-91@192.168.110.124:5062></a>#015#012]<br>
      <br>
      <b>during update dialog it has an error (?????):</b><br>
      Sep 26 13:07:24 Pandolfinbk ./kamailio[16030]: ERROR: topos
      [tps_storage.c:1254]: tps_db_update_dialog(): no valid dlg uuid<br>
      <br>
      <b>Now receive del response 200ok, and topos can't match the
        dialog and can't add headers for outgoing handing:</b><br>
      Sep 26 13:07:25 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:889]: tps_response_received(): loaded dialog a_uuid
      [atpsh-59ca2ba0-3e9e-91]<br>
      Sep 26 13:07:25 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_storage.c:1056]: tps_db_load_dialog(): no stored record for
      <atpsh-59ca2ba0-3e9e-91><br>
      Sep 26 13:07:25 Pandolfinbk ./kamailio[16030]: ERROR: topos
      [tps_storage.c:1254]: tps_db_update_dialog(): no valid dlg uuid<br>
      <br>
      <b>when handing outgoing response, don't find x-branch header and
        send corrupt 200ok</b><br>
      Sep 26 13:07:25 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:1031]: tps_response_sent(): handling outgoing response<br>
      Sep 26 13:07:25 Pandolfinbk ./kamailio[16030]: DEBUG: topos
      [tps_msg.c:1038]: tps_response_sent(): no x-branch header -
      nothing to do<br>
      <br>
      attached kamailio log and pcap trace.<br>
      <br>
      is welcom any suggestions,<br>
      thanks<br>
    </p>
    <br>
    <div class="moz-cite-prefix">Il 23/09/2017 10:30, Sergey Safarov ha
      scritto:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAHtxdDdSgUuw-QXHcSyAunxr3TLeRF5zH_5BUegB+dPQ+Nvogg@mail.gmail.com">
      <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
      <div dir="ltr">Packet 19</div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr">сб, 23 сент. 2017 г. в 11:32, Sergey Safarov <<a
            href="mailto:s.safarov@gmail.com" moz-do-not-send="true">s.safarov@gmail.com</a>>:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div dir="ltr">Think issue on host 192.168.110.132 - wrong
            record-route headers, used loopback IP.
            <div><a href="http://prntscr.com/goncuq" target="_blank"
                moz-do-not-send="true">http://prntscr.com/goncuq</a> <br>
            </div>
          </div>
          <br>
          <div class="gmail_quote">
            <div dir="ltr">сб, 23 сент. 2017 г. в 9:20, Giuseppe
              Pandolfi <<a href="mailto:giuseppe.pandolfi@aethra.com"
                target="_blank" moz-do-not-send="true">giuseppe.pandolfi@aethra.com</a>>:<br>
            </div>
          </div>
          <div class="gmail_quote">
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              <div text="#000000" bgcolor="#FFFFFF">
                <p>Hi,<br>
                  I'm trying to use topos module but I have a problem
                  with record-route header in re-invite for on hold.<br>
                  <br>
                  Uac is a subscriber of sipwise platfrom (vm open
                  source version);<br>
                  <br>
                  my kamailio version is:<br>
                  <i># kamailio -v</i><i><br>
                  </i><i>version: kamailio 5.1.0-dev7 (ppc/linux) </i><i><br>
                  </i><i>flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP,
                    TLS_HOOKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK,
                    SHM_MEM, 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</i><i><br>
                  </i><i>ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE
                    262144, MAX_LISTEN 16, MAX_URI_SIZE 1024, BUF_SIZE
                    65535, DEFAULT PKG_SIZE 8MB</i><br>
                  <br>
                  and uas is a subscriber of kamailio.<br>
                  <br>
                  The call flow is:<br>
                  <br>
                  UAC                     Sipwise                    
                  Kamailio                          UAS<br>
                  |                                 |                  
                      (topos active)                        |<br>
                  |-------- Invite -------->|---------- (1)Invite
                  ----->|------- (2)Invite ----->|<br>
                  |<------- 180/200 ------|<--- (4)180/(4)200
                  ----|<------- 180/200 ------|<br>
                  |---------- Ack --------->|----------- (5)Ack
                  ------>|-------- (6)Ack ------->|<br>
                  |--- Invite (hold) ----->|--
                  (7)ReInvite(hold)-->|-- (8)Invite (hold)--->|<br>
                  |<--------- 200 ----------|<--------- (9)200
                  -------|<--------- 200 ----------|<br>
                  |             corrupt         |             
                  corrupt        |                                 |<br>
                  |---- No Ack Sent-------|---- No Ack Sent-------|----
                  No Ack Sent-------|<br>
                  <br>
                  <b>The problem:</b><br>
                  the 200 ok of re-invite is corrupt by topos, it hasn't
                  via header and contact isn't modified, then the uac
                  can't send the ack.<br>
                  <br>
                  In the kamailio trace I see the ERROR below:<br>
                  <b>E!: U 22/09/2017 10:24:19:880 proxy0: ERROR: topos
                    [tps_storage.c:1254]: tps_db_update_dialog(): no
                    valid dlg uuid</b><br>
                  <br>
                  <b>The questions are:</b><br>
                  Can I use topos for this scenario?<br>
                  Is it possible that topos have bug when receive a
                  re-invite with record-route headers? Infact, in simple
                  scenario without record-route (call and hold between
                  tow subscriber) everything works!<br>
                  <br>
                  <b>My opinion is</b>: when topos receive a request
                  with record-route generates from record-route the new
                  aleg and bleg tags (atpsh-xxxxx, btpsh-yyyyyy) but
                  don't save their in internal database if the request
                  is internal at dialog. Then a reintive whit
                  record-route headers, generate new aleg/bleg tags but
                  they aren't in database, then the response 200 ok it
                  isn't elaborate.<br>
                  <br>
                  below messages details, attached kamailio log and pcap
                  trace.</p>
                <p>tanks in advance for support,</p>
                <p>Giuseppe<b><br>
                  </b></p>
                <p><b><br>
                  </b></p>
                <p><b>(1)Invite:</b><br>
                  INVITE <a
class="m_8147013852723209843m_-5142920812159103581moz-txt-link-abbreviated"
href="mailto:sip:100@192.168.110.79:5060;transport=udp" target="_blank"
                    moz-do-not-send="true">sip:100@192.168.110.79:5060;transport=udp</a>
                  SIP/2.0
                  <br>
                  Record-Route:
<sip:192.168.110.132;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>
                  <br>
                  Record-Route:
<sip:127.0.0.1;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>
                  <br>
                  Via: SIP/2.0/UDP
                  192.168.110.132;branch=z9hG4bK1a43.6c8d17d29887a0078c2cb6aca8684a27.0
                  <br>
                  Via: SIP/2.0/UDP
                  127.0.0.1:5080;received=127.0.0.1;branch=z9hG4bKPa3L8art;rport=5080
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>
                  <br>
                  CSeq: 10 INVITE
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  Max-Forwards: 69
                  <br>
                  Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, MESSAGE,
                  OPTIONS, SUBSCRIBE
                  <br>
                  Supported: replaces, norefersub, extended-refer,
                  X-cisco-serviceuri
                  <br>
                  P-Asserted-Identity: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>
                  <br>
                  Content-Type: application/sdp
                  <br>
                  Content-Length: 276
                  <br>
                  Contact:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
href="mailto:sip:ngcp-lb@192.168.110.132:5060;ngcpct=7369703a3132372e302e302e313a35303830"
                    target="_blank" moz-do-not-send="true"><sip:ngcp-lb@192.168.110.132:5060;ngcpct=7369703a3132372e302e302e313a35303830></a>
                  <br>
                   <br>
                  [sdp]<br>
                  <br>
                  <b>(2)Invite:</b><br>
                  INVITE <a
class="m_8147013852723209843m_-5142920812159103581moz-txt-link-abbreviated"
href="mailto:sip:100@192.168.1.73:5080;line=4d3148ee1d889aa"
                    target="_blank" moz-do-not-send="true">sip:100@192.168.1.73:5080;line=4d3148ee1d889aa</a>
                  SIP/2.0
                  <br>
                  Via: SIP/2.0/UDP
                  192.168.110.79;branch=z9hG4bK1a43.c9b996baf80be68d288d2de06cd9b212.0
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>
                  <br>
                  CSeq: 10 INVITE
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  Max-Forwards: 69
                  <br>
                  Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, MESSAGE,
                  OPTIONS, SUBSCRIBE
                  <br>
                  Supported: replaces, norefersub, extended-refer,
                  X-cisco-serviceuri
                  <br>
                  P-Asserted-Identity: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>
                  <br>
                  Content-Type: application/sdp
                  <br>
                  Content-Length: 276
                  <br>
                  Contact: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
href="mailto:sip:btpsh-59c55b4a-4fa6-1@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:btpsh-59c55b4a-4fa6-1@192.168.110.79></a>
                  <br>
                   <br>
                  [sdp]
                  <br>
                  <br>
                  <b>(3) 180 Ringing</b><br>
                  SIP/2.0 180 Ringing
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>;tag=856281851
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  CSeq: 10 INVITE
                  <br>
                  User-Agent: Linphone/3.6.1 (eXosip2/4.1.0)
                  <br>
                  Content-Length: 0
                  <br>
                  Via: SIP/2.0/UDP
192.168.110.132;branch=z9hG4bK1a43.6c8d17d29887a0078c2cb6aca8684a27.0,SIP/2.0/UDP
127.0.0.1:5080;received=127.0.0.1;branch=z9hG4bKPa3L8art;rport=5080
                  <br>
                  Contact: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
href="mailto:sip:atpsh-59c55b4a-4fa6-1@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:atpsh-59c55b4a-4fa6-1@192.168.110.79></a>
                  <br>
                  Record-Route:
<sip:192.168.110.132;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>,<sip:127.0.0.1;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>
                  <br>
                   <br>
                  <b>(4) 200 OK</b><br>
                  SIP/2.0 200 OK
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>;tag=856281851
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  CSeq: 10 INVITE
                  <br>
                  Content-Type: application/sdp
                  <br>
                  User-Agent: Linphone/3.6.1 (eXosip2/4.1.0)
                  <br>
                  Content-Length:   181
                  <br>
                  Via: SIP/2.0/UDP
192.168.110.132;branch=z9hG4bK1a43.6c8d17d29887a0078c2cb6aca8684a27.0,SIP/2.0/UDP
127.0.0.1:5080;received=127.0.0.1;branch=z9hG4bKPa3L8art;rport=5080
                  <br>
                  Contact: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
href="mailto:sip:atpsh-59c55b4a-4fa6-1@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:atpsh-59c55b4a-4fa6-1@192.168.110.79></a>
                  <br>
                  Record-Route:
<sip:192.168.110.132;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>,<sip:127.0.0.1;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>
                  <br>
                   <br>
                  [sdp]<br>
                  <br>
                  <b>(5) ACK</b><br>
                  ACK <a
class="m_8147013852723209843m_-5142920812159103581moz-txt-link-abbreviated"
href="mailto:sip:atpsh-59c55b4a-4fa6-1@192.168.110.79" target="_blank"
                    moz-do-not-send="true">sip:atpsh-59c55b4a-4fa6-1@192.168.110.79</a>
                  SIP/2.0
                  <br>
                  Record-Route:
<sip:192.168.110.132;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>
                  <br>
                  Record-Route:
<sip:127.0.0.1;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>
                  <br>
                  Via: SIP/2.0/UDP
                  192.168.110.132;branch=z9hG4bK1a43.4446035c867218358dbd848f773b5d09.0
                  <br>
                  Via: SIP/2.0/UDP
                  127.0.0.1:5080;received=127.0.0.1;branch=z9hG4bKspF2zas~;rport=5080
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>;tag=856281851
                  <br>
                  CSeq: 10 ACK
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  Max-Forwards: 69
                  <br>
                  Content-Length: 0
                  <br>
                  Contact:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
href="mailto:sip:ngcp-lb@192.168.110.132:5060;ngcpct=7369703a3132372e302e302e313a35303830"
                    target="_blank" moz-do-not-send="true"><sip:ngcp-lb@192.168.110.132:5060;ngcpct=7369703a3132372e302e302e313a35303830></a>
                  <br>
                   <br>
                  <b>(6) ACK</b><br>
                  ACK <a
class="m_8147013852723209843m_-5142920812159103581moz-txt-link-abbreviated"
                    href="mailto:sip:100@192.168.1.73:5080"
                    target="_blank" moz-do-not-send="true">sip:100@192.168.1.73:5080</a>
                  SIP/2.0
                  <br>
                  Via: SIP/2.0/UDP
                  192.168.110.79;branch=z9hG4bK1a43.b1cce71dc1b004e442faca53cd6d8994.0
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>;tag=856281851
                  <br>
                  CSeq: 10 ACK
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  Max-Forwards: 69
                  <br>
                  Content-Length: 0
                  <br>
                  Contact: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:atpsh-59c55b4a-4fa6-2@127.0.0.1"
                    target="_blank" moz-do-not-send="true"><sip:atpsh-59c55b4a-4fa6-2@127.0.0.1></a>
                  <br>
                   <br>
                  <br>
                  <b>(7) Re-Invite
                  </b><br>
                  INVITE <a
class="m_8147013852723209843m_-5142920812159103581moz-txt-link-abbreviated"
href="mailto:sip:atpsh-59c55b4a-4fa6-1@192.168.110.79" target="_blank"
                    moz-do-not-send="true">sip:atpsh-59c55b4a-4fa6-1@192.168.110.79</a>
                  SIP/2.0
                  <br>
                  Record-Route:
<sip:192.168.110.132;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>
                  <br>
                  Record-Route:
<sip:127.0.0.1;r2=on;lr=on;ftag=6D91D5F4-59C53F38000E3F0A-D551C700;ngcplb=yes>
                  <br>
                  Via: SIP/2.0/UDP
                  192.168.110.132;branch=z9hG4bK2a43.3723a1a3f343f1f1974a66f4a62f41a9.0
                  <br>
                  Via: SIP/2.0/UDP
                  127.0.0.1:5080;received=127.0.0.1;branch=z9hG4bKf6peiap7;rport=5080
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>;tag=856281851
                  <br>
                  CSeq: 11 INVITE
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  Max-Forwards: 69
                  <br>
                  Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, MESSAGE,
                  OPTIONS, SUBSCRIBE
                  <br>
                  Supported: replaces, norefersub, extended-refer,
                  timer, X-cisco-serviceuri
                  <br>
                  User-Agent: Z 3.3.25608 r25552
                  <br>
                  Content-Type: application/sdp
                  <br>
                  Content-Length: 276
                  <br>
                  Contact:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
href="mailto:sip:ngcp-lb@192.168.110.132:5060;ngcpct=7369703a3132372e302e302e313a35303830"
                    target="_blank" moz-do-not-send="true"><sip:ngcp-lb@192.168.110.132:5060;ngcpct=7369703a3132372e302e302e313a35303830></a>
                  <br>
                   <br>
                  [sdp]<br>
                  <br>
                  <br>
                  <b>(8) Re-Invite</b><br>
                  INVITE <a
class="m_8147013852723209843m_-5142920812159103581moz-txt-link-abbreviated"
                    href="mailto:sip:100@192.168.1.73:5080"
                    target="_blank" moz-do-not-send="true">sip:100@192.168.1.73:5080</a>
                  SIP/2.0
                  <br>
                  Via: SIP/2.0/UDP
                  192.168.110.79;branch=z9hG4bK2a43.a4e5f5baf85414d4471a1e817bdc1e00.0
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>;tag=856281851
                  <br>
                  CSeq: 11 INVITE
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  Max-Forwards: 69
                  <br>
                  Allow: INVITE, ACK, CANCEL, BYE, NOTIFY, MESSAGE,
                  OPTIONS, SUBSCRIBE
                  <br>
                  Supported: replaces, norefersub, extended-refer,
                  timer, X-cisco-serviceuri
                  <br>
                  User-Agent: Z 3.3.25608 r25552
                  <br>
                  Content-Type: application/sdp
                  <br>
                  Content-Length: 276
                  <br>
                  Contact: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:atpsh-59c55b4a-4fa6-3@127.0.0.1"
                    target="_blank" moz-do-not-send="true"><sip:atpsh-59c55b4a-4fa6-3@127.0.0.1></a>
                  <br>
                   <br>
                  [sdp]<br>
                  <b><br>
                  </b><b>(9) 200 OK</b><br>
                  SIP/2.0 200 OK
                  <br>
                  From:
                  <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:390735594284@192.168.110.132"
                    target="_blank" moz-do-not-send="true"><sip:390735594284@192.168.110.132></a>;tag=6D91D5F4-59C53F38000E3F0A-D551C700
                  <br>
                  To: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.110.79" target="_blank"
                    moz-do-not-send="true"><sip:100@192.168.110.79></a>;tag=856281851
                  <br>
                  Call-ID:
                  OTkwMTdlNjEyYTQ2NWFiNTJkN2U1YTA2YWY1ZGI5YmE._b2b-1
                  <br>
                  CSeq: 11 INVITE
                  <br>
                  Contact: <a
                    class="m_8147013852723209843m_-5142920812159103581moz-txt-link-rfc2396E"
                    href="mailto:sip:100@192.168.1.73:5080"
                    target="_blank" moz-do-not-send="true"><sip:100@192.168.1.73:5080></a>
                  <br>
                  Content-Type: application/sdp
                  <br>
                  User-Agent: Linphone/3.6.1 (eXosip2/4.1.0)
                  <br>
                  Content-Length:   211
                  <br>
                   <br>
                  [sdp]
                  <br>
                  <br>
                </p>
                <div
                  class="m_8147013852723209843m_-5142920812159103581moz-signature">
                  <div
style="color:#000000;font-size:10pt;font-family:Verdana,Geneva,sans-serif">
                    <hr> </div>
                </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>
        </blockquote>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Kamailio (SER) - Users Mailing List
<a class="moz-txt-link-abbreviated" href="mailto:sr-users@lists.kamailio.org">sr-users@lists.kamailio.org</a>
<a class="moz-txt-link-freetext" href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a>
</pre>
    </blockquote>
    <br>
    <div class="moz-signature">-- <br>
      <div style="color: #000000; font-size:10pt; font-family:Verdana,
        Geneva, sans-serif;">
        Giuseppe Pandolfi<br>
        R&D NTW - SW Design - Voice Services<br>
        <br>
        <img style="margin:2px 0 2px -5px;"
          src="http://www.aethra.com/site/wp-content/uploads/2016/09/firma.gif"><br>
        <a style="color: #000000; font-size:10pt; font-weight: bold;
          font-family:Verdana, Geneva, sans-serif;">
          A TLC S.r.l.</a><br>
        Via 1° Maggio, 26<br>
        60131 Ancona - Zona Baraccola (Italy)<br>
        <span style="display: inline-block;">T: +39 071 2506566</span><br>
        <span style="display: inline-block;">F: +39 071 2506518</span><br>
        <span style="display: inline-block;">Email: <a
            style="text-decoration: underline; color:blue;"
            href="mailto:giuseppe.pandolfi@aethra.com" target="_blank">giuseppe.pandolfi@aethra.com</a></span><br>
        <span style="display: inline-block;">Website: <a
            style="text-decoration: underline; color:blue;"
            href="http://www.aethra.com" target="_blank">www.aethra.com</a></span><br>
        <br>
        <hr>
        <font color="#999999">
          NOTA BENE: Le informazioni contenute ed allegate alla presente
          sono
          strettamente confidenziali ed indirizzate unicamente al
          destinatario
          indicato. Ove non foste il destinatario Vi invitiamo a
          cancellare il
          messaggio ed ogni documento allegato e a volerci avvisare a
          mezzo
          posta elettronica. Grazie. A TLC S.r.l. tratta i vostri dati
          personali
          ai sensi del D.lgs. n.196/03.<br>
          PLEASE NOTE: This e-mail and any attachments are confidential
          and may
          contain privileged information. If you are not the intended
          recipient,
          you are kindly requested to cancel it, not to disclose the
          contents to
          any other person and to notify the sender immediately by
          return e-mail.
          Thanks. A TLC S.r.l. processes your personal data as per
          italian law
          (legislative decree No.196/2003).</font></div>
    </div>
  </body>
</html>