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    <p>Hello,</p>
    <p>can you send the SIP traffic of such call in a pcap file? It
      makes it easier to investigate with sngrep/wireshark instead of
      trying to read through text output of the SIP traffic that you
      pasted in the first email.</p>
    <p>Cheers,<br>
      Daniel<br>
    </p>
    <div class="moz-cite-prefix">On 12.08.20 11:05, Techinnovation
      wrote:<br>
    </div>
    <blockquote type="cite" cite="mid:342252279.20200812120556@inbox.lv">
      <title>Re: [SR-Users] ACK no transaction found if re-invite</title>
      <meta http-equiv="Content-Type" content="text/html;
        charset=windows-1257">
      <span style=" font-family:'Courier New'; font-size: 9pt;">Hello
        Daniel !<br>
        <br>
        I add record_route(). Still have same result . <br>
        <br>
        now my config is : <br>
        <br>
        route[WITHINDLG] {<br>
               if (has_totag()) {<br>
                        record_route();<br>
                       # sequential request withing a dialog should<br>
                       # take the path determined by record-routing<br>
                       if (loose_route()) {<br>
                               if (is_method("BYE")) {<br>
                                       setflag(FLT_ACC); # do accounting
        ...<br>
                                       setflag(FLT_ACCFAILED); # ...
        even if the transaction fails<br>
                               }<br>
                               route(RELAY);<br>
                       } <br>
                       else {<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>
                                               # non loose-route, but
        stateful ACK;<br>
                                               # must be ACK after a 487
        or e.g. 404 from upstream server<br>
                                               t_relay();<br>
                                               exit;<br>
                                       } else {<br>
                                               # ACK without matching
        transaction ... ignore and discard.<br>
                                               exit;<br>
                                       }<br>
                               }<br>
                                               t_relay();<br>
                       }<br>
                       exit;<br>
               }<br>
        }<br>
        <br>
        <br>
        <br>
        kamailio log<br>
        <br>
        [<a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>] - cseq:
        [18259129 ACK]<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG:
        <core> [core/parser/msg_parser.c:185]: get_hdr_field():
        content_length=0<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG:
        <core> [core/parser/msg_parser.c:89]: get_hdr_field():
        found end of header<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/receive.c:296]: receive_msg(): preparing to
        run routing scripts...<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sl
        [sl_funcs.c:397]: sl_filter_ACK(): too late to be a local ACK!<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} maxfwd
        [mf_funcs.c:74]: is_maxfwd_present(): value = 70<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:247]: check_ruri_sip_version(): check_ruri_sip_version
        entered<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:270]: check_ruri_sip_version(): check_ruri_sip_version
        passed<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:277]: check_ruri_scheme(): check_ruri_scheme entered<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:297]: check_ruri_scheme(): check_ruri_scheme passed<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:305]: check_required_headers(): check_required_headers
        entered<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:313]: check_required_headers(): check_required_headers
        passed<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:479]: check_cseq_method(): check_cseq_method entered<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:512]: check_cseq_method(): check_cseq_method passed<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:521]: check_cseq_value(): check_cseq_value entered<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:549]: check_cseq_value(): check_cseq_value passed<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:558]: check_cl(): check_cl entered<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:583]: check_cl(): check_cl passed<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:595]: check_expires_value(): check_expires_value
        entered<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:632]: check_expires_value(): no expires header found<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:732]: check_parse_uris(): check_parse_uris entered<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:736]: check_parse_uris(): parsing ruri<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:750]: check_parse_uris(): looking up From header<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:764]: check_parse_uris(): parsing From header<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/parser/parse_addr_spec.c:185]:
        parse_to_param(): add param: tag=00-07198-01aa7c42-632e1ccc6<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/parser/parse_addr_spec.c:864]:
        parse_addr_spec(): end of header reached, state=29<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:790]: check_parse_uris(): parsing From URI<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:808]: check_parse_uris(): looking up To header<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:830]: check_parse_uris(): check_parse_uris(): parsing
        To URI<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity.c:875]: check_parse_uris(): check_parse_uris passed<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} sanity
        [sanity_mod.c:254]: w_sanity_check(): sanity checks result: 1<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} siputils
        [checks.c:123]: has_totag(): totag found<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} rr
        [record.c:475]: record_route(): inserted record route (r2: 1 -
        plen: 0)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} rr
        [loose.c:114]: find_first_route(): No Route headers found<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} rr
        [loose.c:961]: loose_route(): There is no Route HF<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} tm
        [t_lookup.c:1043]: t_check_msg(): msg (0x7fe00b433288)
        id=20/28987 global id=19/28987 T start=(nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} tm
        [t_lookup.c:500]: t_lookup_request(): start searching:
        hash=30828, isACK=1<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} tm
        [t_lookup.c:458]: matching_3261(): RFC3261 transaction matching
        failed - via branch [z9hG4bK-4F08643B-1884F5D]<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} tm
        [t_lookup.c:682]: t_lookup_request(): no transaction found<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>} tm
        [t_lookup.c:1113]: t_check_msg(): msg (0x7fe00b433288)
        id=20/28987 global id=20/28987 T end=(nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/receive.c:354]: receive_msg(): request-route
        executed in: 158 usec<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/usr_avp.c:636]: destroy_avp_list():
        destroying list (nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/usr_avp.c:636]: destroy_avp_list():
        destroying list (nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/usr_avp.c:636]: destroy_avp_list():
        destroying list (nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/usr_avp.c:636]: destroy_avp_list():
        destroying list (nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/usr_avp.c:636]: destroy_avp_list():
        destroying list (nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/usr_avp.c:636]: destroy_avp_list():
        destroying list (nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/xavp.c:507]: xavp_destroy_list(): destroying
        xavp list (nil)<br>
        Aug 12 11:57:48 c4-proxy-1 kamailio: 21(28987) DEBUG: {1
        18259129 ACK
        <a class="moz-txt-link-abbreviated" href="mailto:4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060">4fdf3fe8321fc64667329489142bc36f@48.146.161.152:5060</a>}
        <core> [core/receive.c:458]: receive_msg(): cleaning up<br>
        <br>
        [...]</span><br>
      <span style=" font-family:'arial'; color: #c0c0c0;"><i>-- <br>
          Best regards,<br>
           Techinnovation                            </i></span><a
        style=" font-family:'arial';"
        href="mailto:techinnovation@inbox.lv" moz-do-not-send="true">mailto:techinnovation@inbox.lv</a>
    </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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