<div dir="ltr">Hello guys,<div><br></div><div>In case this helps anyone, in my case it seems the issue was that my system was starved in I/O. I moved the sipwise to a server with a lower latency in disk requests and the problem went away.</div><div><br></div><div>Dont know why it only affected the OK/ACK's, maybe the rest is in memory or something.</div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 30, 2016 at 3:47 AM, Abel Alejandro <span dir="ltr"><<a href="mailto:aalejandro@alliedtechnologygrouppr.com" target="_blank">aalejandro@alliedtechnologygrouppr.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I just did a brand new installation of debian 8 + mr4.4.1 on a different physical server, restored from backup and still same issue.<div><br></div><div>If anyone has any tips or idea how to troubleshoot this further that would be appreciated.</div><div><br></div><div>Thanks.</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Jun 28, 2016 at 4:01 PM, sebastian rojo <span dir="ltr"><<a href="mailto:arpagon+sipwise@gmail.com" target="_blank">arpagon+sipwise@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>This is my case.<br><br></div>Huawei SoftX3000 (Peer) (extra_socket and extra  & rtp_extra ) ----> SPCE -----> Asterisk 11 (Suscriber)<br><br></div>Asterisk Drop the call in 8 seconds too<br><div><br><br></div><br><div class="gmail_quote"><span><div dir="ltr">On Fri, Jun 24, 2016 at 5:37 PM Abel Alejandro <<a href="mailto:aalejandro@alliedtechnologygrouppr.com" target="_blank">aalejandro@alliedtechnologygrouppr.com</a>> wrote:<br></div></span><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span><div dir="ltr">Sebastian,<br><br>Does this causes intermittent issues for you? Like dropped calls within 8 seconds, if yes did you have a workaround?<br><br>I getting headaches with a Cisco-SIPGateway/IOS-12.x and sometimes it drops the call and the only thing weird I can find is those delayed ACK's.<br><div><br></div><div><br></div></div></span><div class="gmail_extra"><br><div class="gmail_quote"><span>On Thu, Jun 23, 2016 at 2:18 PM, sebastian rojo <span dir="ltr"><<a href="mailto:arpagon+sipwise@gmail.com" target="_blank">arpagon+sipwise@gmail.com</a>></span> wrote:<br></span><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><span><div><div><div><div><div><div><div><div>Hello,<br><br></div>I see the same issue in my SPCE.<br><br></div>Version:  System installed. NGCP version mr4.4.1 on 2016-06-21 21:22:58<br><br><br></div>I take captures. in this mode.<br><br></div>eth1 (peer):  tcpdump -i eth1 -s0 -w sip_20160623_1466702965_une.cap<br></div>eth0 (suscriber): sudo tcpdump -i eth0 -s0 -w sip_20160623_1466702973_lan.cap<br></div>and (endpoint): sip_20160623_1466702995_cliente.cap<br><br></div>And Merge all to see the problem.<br><br></div>This the result.<br><br></span><img style="max-width:100%" src="cid:ii_1557e76c76df48a1" alt="Wireshark · Call Flow · compare_481.png"><br><br><br></div><div><div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 23, 2016 at 12:01 PM, Abel Alejandro <span dir="ltr"><<a href="mailto:aalejandro@alliedtechnologygrouppr.com" target="_blank">aalejandro@alliedtechnologygrouppr.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello,<div><br></div><div>I took the capture using the following command, let me know if this is enough:</div><div><br></div><div>tcpdump -i any port 5060 or port 5080 or port 5061 or port 5062 -w test2.pcap<br></div><div><br></div><div>I sent you the pcap privately to you since it has other calls and I do not know how to filter them.</div><div><br></div><div><br></div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Jun 23, 2016 at 10:05 AM, Daniel Grotti <span dir="ltr"><<a href="mailto:dgrotti@sipwise.com" target="_blank">dgrotti@sipwise.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

  <div text="#000000" bgcolor="#FFFFFF">

    capture would help yes.<br>

    <div>

      <div style="line-height:16px;margin:6px 0;padding:8px 8px 8px 8px;border-top:1px #aeb1a6 dotted;border-bottom:1px #aeb1a6 dotted;font-family:'Lucida Sans',Lucida Grande,Verdana,Arial,Sans-Serif;font-size:11px;color:#555555"> <b style="color:#333333;text-transform:uppercase;font-size:10px"> Daniel Grotti </b> <br>

        Head of Customer Support

        <p> <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> Sipwise GmbH </a> , Campus

          21/Europaring F15<br>

          AT-2345 Brunn am Gebirge </p>

        <p> Phone:  <a href="callto:+4313012032" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> +43(0)1 301 2032 </a> <br>

          Email:  <a href="mailto:dgrotti@sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> dgrotti@sipwise.com </a> <br>

          Website:  <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> www.sipwise.com </a> </p>

        <p>

          Particulars according Austrian Companies Code paragraph 14<br>

          "Sipwise GmbH" - Europaring F15 - 2345 Brunn am Gebirge<br>

          FN:305595f, Commercial Court Vienna, ATU64002206

        </p>

      </div>

    </div>

    <div>On 06/23/2016 03:59 PM, Abel Alejandro

      wrote:<br>

    </div>

    <blockquote type="cite">

      <div dir="ltr">Hello!<br>

        <br>

        I am searching using "zgrep <a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

        kamailio-proxy.log-20160622.gz" if there is a better way please

        let me know.

        <div><br>

        </div>

        <div>Heres what I got around that time. I think there is a

          missed OK reaching the PROXY from the LB. However this is only

          accurate to the second, does this help? If not I will see if I

          can take a capture of the LB <> PROXY traffic and get

          milisecond timestamps.</div>

        <div><br>

          <div><br>

          </div>

          <div>

            <div>Jun 22 18:20:05 sip proxy[3785]: NOTICE:

              <script>: Appending P-D-URI 'sip:127.0.0.1:5060;lr'

              - R=<a href="http://sip:17877050555@196.12.166.251:5060" target="_blank">sip:17877050555@196.12.166.251:5060</a>

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:05 sip proxy[3785]: NOTICE:

              <script>: Forcing request via B2BUA 'sip:<a href="http://127.0.0.1:5080" target="_blank">127.0.0.1:5080</a>'

              - R=<a href="http://sip:17877050555@196.12.166.251:5060" target="_blank">sip:17877050555@196.12.166.251:5060</a>

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:05 sip proxy[3785]: NOTICE:

              <script>: Request leaving server, D-URI='sip:<a href="http://127.0.0.1:5080" target="_blank">127.0.0.1:5080</a>'

              - R=<a href="http://sip:17877050555@196.12.166.251:5060" target="_blank">sip:17877050555@196.12.166.251:5060</a>

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:05 sip proxy[3777]: NOTICE:

              <script>: NAT-Reply - S=100 - Connecting M=INVITE

              IP=<a href="http://196.12.170.244:5060" target="_blank">196.12.170.244:5060</a>

              (<a href="http://127.0.0.1:5080" target="_blank">127.0.0.1:5080</a>)

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:06 sip proxy[3797]: NOTICE:

              <script>: NAT-Reply - S=200 - OK M=INVITE IP=<a href="http://196.12.170.244:5060" target="_blank">196.12.170.244:5060</a>

              (<a href="http://127.0.0.1:5080" target="_blank">127.0.0.1:5080</a>)

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:06 sip proxy[3788]: NOTICE:

              <script>: New request on proxy - M=ACK

              R=sip:127.0.0.1:5080;prxroute=1 F=<a href="http://sip:7875868313@196.12.170.244:5060" target="_blank"></a><a href="mailto:sip:7875868313@196.12.170.244:5060" target="_blank">sip:7875868313@196.12.170.244:5060</a>

              T=<a href="http://sip:7877050555@192.254.110.41:5060" target="_blank">sip:7877050555@192.254.110.41:5060</a>

              IP=<a href="http://196.12.170.244:5060" target="_blank">196.12.170.244:5060</a>

              (<a href="http://127.0.0.1:5060" target="_blank">127.0.0.1:5060</a>)

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:06 sip proxy[3779]: NOTICE:

              <script>: NAT-Reply - S=200 - OK M=INVITE IP=<a href="http://196.12.170.244:5060" target="_blank">196.12.170.244:5060</a>

              (<a href="http://127.0.0.1:5080" target="_blank">127.0.0.1:5080</a>)

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:06 sip proxy[3794]: NOTICE:

              <script>: New request on proxy - M=ACK

              R=sip:127.0.0.1:5080;prxroute=1 F=<a href="http://sip:7875868313@196.12.170.244:5060" target="_blank"></a><a href="mailto:sip:7875868313@196.12.170.244:5060" target="_blank">sip:7875868313@196.12.170.244:5060</a>

              T=<a href="http://sip:7877050555@192.254.110.41:5060" target="_blank">sip:7877050555@192.254.110.41:5060</a>

              IP=<a href="http://196.12.170.244:5060" target="_blank">196.12.170.244:5060</a>

              (<a href="http://127.0.0.1:5060" target="_blank">127.0.0.1:5060</a>)

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:12 sip proxy[3788]: NOTICE:

              <script>: New request on proxy - M=BYE

              R=sip:127.0.0.1:5080;prxroute=1 F=<a href="http://sip:7875868313@196.12.170.244:5060" target="_blank"></a><a href="mailto:sip:7875868313@196.12.170.244:5060" target="_blank">sip:7875868313@196.12.170.244:5060</a>

              T=<a href="http://sip:7877050555@192.254.110.41:5060" target="_blank">sip:7877050555@192.254.110.41:5060</a>

              IP=<a href="http://196.12.170.244:5060" target="_blank">196.12.170.244:5060</a>

              (<a href="http://127.0.0.1:5060" target="_blank">127.0.0.1:5060</a>)

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>Jun 22 18:20:12 sip proxy[3779]: NOTICE:

              <script>: NAT-Reply - S=200 - OK M=BYE IP=<a href="http://196.12.170.244:5060" target="_blank">196.12.170.244:5060</a>

              (<a href="http://127.0.0.1:5080" target="_blank">127.0.0.1:5080</a>)

              ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

              UA='<null>'</div>

            <div>root@sip:/var/log/ngcp/old# </div>

          </div>

        </div>

      </div>

      <div class="gmail_extra"><br>

        <div class="gmail_quote">On Thu, Jun 23, 2016 at 9:46 AM, Daniel

          Grotti <span dir="ltr"><<a href="mailto:dgrotti@sipwise.com" target="_blank">dgrotti@sipwise.com</a>></span>

          wrote:<br>

          <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

            <div text="#000000" bgcolor="#FFFFFF"> Wait a minute,<br>

              the problem is the 200 OK in delay then.<br>

              Sorry, but I cannot see the full proxy.log.<br>

              In LB log I see the 200 OK forwarded to sems following Via

              header:<br>

              <br>

              <div>Jun 22 18:20:06 sip lb[2909]: NOTICE: <script>:

                Reply from Outbound - S=200 - OK M=INVITE IP=udp:<a href="http://196.12.166.251:5060" target="_blank">196.12.166.251:5060</a>

                <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                UA='<null>'</div>

              <div>Jun 22 18:20:06 sip lb[2909]: NOTICE: <script>:

                Sending reply, fs='udp:<a href="http://127.0.0.1:5060" target="_blank">127.0.0.1:5060</a>'

                - <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                UA='<null>'</div>

              <div><br>

                BUt then not reply from Inbound from proxy 5062: <br>

                <br>

                Jun 22 18:20:06 sip lb[2907]: NOTICE: <script>:

                Reply from Outbound - S=200 - OK M=INVITE IP=udp:<a href="http://196.12.166.251:5060" target="_blank">196.12.166.251:5060</a>

                <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                UA='<null>'</div>

              <div>Jun 22 18:20:06 sip lb[2907]: NOTICE: <script>:

                Sending reply, fs='udp:<a href="http://127.0.0.1:5060" target="_blank">127.0.0.1:5060</a>'

                - <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                UA='<null>'</div>

              <div><br>

                The same here, no reply back from proxy:<br>

                <br>

                <br>

                Jun 22 18:20:06 sip lb[2912]: NOTICE: <script>:

                Reply from Outbound - S=200 - OK M=INVITE IP=udp:<a href="http://196.12.166.251:5060" target="_blank">196.12.166.251:5060</a>

                <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                UA='<null>'</div>

              <div>Jun 22 18:20:06 sip lb[2912]: NOTICE: <script>:

                Sending reply, fs='udp:<a href="http://127.0.0.1:5060" target="_blank">127.0.0.1:5060</a>'

                - <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                UA='<null>'</div>

              <div>Jun 22 18:20:06 sip lb[2920]: NOTICE: <script>:

                Reply from Inbound - S=200 - OK M=INVITE IP=udp:<a href="http://127.0.0.1:5062" target="_blank">127.0.0.1:5062</a> ID=<a href="mailto:C5A0749D@10.246.9.8" target="_blank"></a><a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a>

                UA='<null>'<br>

                <br>

                Here I see "Reply from Inbound".<br>

                Please check the full proxy log and the 200OK there.<br>

                <br>

                <br>

              </div>

              <br>

              <div>

                <div style="line-height:16px;margin:6px 0;padding:8px 8px 8px 8px;border-top:1px #aeb1a6 dotted;border-bottom:1px #aeb1a6 dotted;font-family:'Lucida Sans',Lucida Grande,Verdana,Arial,Sans-Serif;font-size:11px;color:#555555">

                  <b style="color:#333333;text-transform:uppercase;font-size:10px">

                    Daniel Grotti </b> <br>

                  Head of Customer Support

                  <p> <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> Sipwise GmbH </a> ,

                    Campus 21/Europaring F15<br>

                    AT-2345 Brunn am Gebirge </p>

                  <p> Phone:  <a href="callto:+4313012032" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> +43(0)1 301 2032 </a>

                    <br>

                    Email:  <a href="mailto:dgrotti@sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> dgrotti@sipwise.com

                    </a> <br>

                    Website:  <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> www.sipwise.com </a>

                  </p>

                  <p> Particulars according Austrian Companies Code

                    paragraph 14<br>

                    "Sipwise GmbH" - Europaring F15 - 2345 Brunn am

                    Gebirge<br>

                    FN:305595f, Commercial Court Vienna, ATU64002206 </p>

                </div>

              </div>

              <div>On 06/23/2016 03:09 PM, Abel Alejandro wrote:<br>

              </div>

              <blockquote type="cite">

                <div dir="ltr">Daniel,

                  <div><br>

                  </div>

                  <div>I have checked 4 endpoints so far, different from

                    196.12.166.251, and same issue.</div>

                  <div><br>

                  </div>

                  <div>The ack you see on the logs being generated, is

                    actually almost half a second late, I am not a sip

                    expert but I think maybe its hitting some kind of

                    timeout sometimes.</div>

                  <div><br>

                  </div>

                  <div>If I do a capture on the server (sipwise) itself,

                    I see the same thing, ACK being generated almost 500

                    ms later.</div>

                  <div><br>

                  </div>

                  <div><br>

                  </div>

                </div>

                <div class="gmail_extra"><br>

                  <div class="gmail_quote">On Thu, Jun 23, 2016 at 8:49

                    AM, Daniel Grotti <span dir="ltr"><<a href="mailto:dgrotti@sipwise.com" target="_blank"></a><a href="mailto:dgrotti@sipwise.com" target="_blank">dgrotti@sipwise.com</a>></span>

                    wrote:<br>

                    <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

                      <div text="#000000" bgcolor="#FFFFFF"> Hi,<br>

                        it's not normal to receive multiple 200 OK.<br>

                        Looks like for some reason the ACK didn't

                        receive the callee at <span><a href="mailto:sip:17877050555@196.12.166.251:5060" target="_blank"></a><a href="mailto:sip:17877050555@196.12.166.251:5060" target="_blank">sip:17877050555@196.12.166.251:5060</a></span><br>

                        <br>

                        Question is: are you sure that you can reach IP

                        <span><a href="mailto:sip:17877050555@196.12.166.251:5060" target="_blank">196.12.166.251:5060</a> from

                          the socket </span><br>

                        <span>udp:<a href="http://192.254.110.41:5060" target="_blank">192.254.110.41:5060</a> (the

                          one you are using to send out the ACK) ?<br>

                          <br>

                          <br>

                        </span><br>

                        <span><span><span>Relaying request,

                              du='<null>', fs='udp:<a href="http://192.254.110.41:5060" target="_blank">192.254.110.41:5060</a>'

                              - R=<a href="http://sip:17877050555@196.12.166.251:5060" target="_blank">sip:17877050555@196.12.166.251:5060</a>

                              <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                              UA='<null>'<br>

                              <br>

                              <br>

                            </span> Maybe this is why ACK cannot reach

                            the callee.<br>

                            <br>

                            <br>

                          </span></span><span>

                          <div>

                            <div style="line-height:16px;margin:6px 0;padding:8px 8px 8px 8px;border-top:1px #aeb1a6 dotted;border-bottom:1px #aeb1a6 dotted;font-family:'Lucida Sans',Lucida Grande,Verdana,Arial,Sans-Serif;font-size:11px;color:#555555">

                              <b style="color:#333333;text-transform:uppercase;font-size:10px">

                                Daniel Grotti </b> <br>

                              Head of Customer Support

                              <p> <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> Sipwise

                                  GmbH </a> , Campus 21/Europaring F15<br>

                                AT-2345 Brunn am Gebirge </p>

                              <p> Phone:  <a href="callto:+4313012032" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> +43(0)1

                                  301 2032 </a> <br>

                                Email:  <a href="mailto:dgrotti@sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank">

                                  dgrotti@sipwise.com </a> <br>

                                Website:  <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank">

                                  www.sipwise.com </a> </p>

                              <p> Particulars according Austrian

                                Companies Code paragraph 14<br>

                                "Sipwise GmbH" - Europaring F15 - 2345

                                Brunn am Gebirge<br>

                                FN:305595f, Commercial Court Vienna,

                                ATU64002206 </p>

                            </div>

                          </div>

                        </span>

                        <div>

                          <div>

                            <div>On 06/23/2016 02:46 PM, Abel Alejandro

                              wrote:<br>

                            </div>

                            <blockquote type="cite">

                              <div dir="ltr">Hey Daniel,

                                <div><br>

                                </div>

                                <div>So its normal to have those 3 OK at

                                  first without an ACK missing and the

                                  sipwise just takes a little while to

                                  reply back? Maybe I closed the other

                                  call too fast and thats why I didnt

                                  see it. (the voipmonitor is running on

                                  the sipwise itself)</div>

                                <div>Those are this one right?</div>

                                <div><br>

                                </div>

                                <div>

                                  <div style="font-size:12.8px">Jun 22

                                    18:20:05 sip lb[2907]: NOTICE:

                                    <script>: Reply from Outbound

                                    - S=100 - Trying M=INVITE IP=udp:<a href="http://196.12.166.251:5060/" target="_blank">196.12.166.251:5060</a> <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank"></a><a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                    UA='<null>'</div>

                                  <div style="font-size:12.8px">Jun 22

                                    18:20:05 sip lb[2907]: NOTICE:

                                    <script>: Sending reply,

                                    fs='udp:<a href="http://127.0.0.1:5060/" target="_blank">127.0.0.1:5060</a>'

                                    - <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                    UA='<null>'</div>

                                  <div style="font-size:12.8px">Jun 22

                                    18:20:06 sip lb[2909]: NOTICE:

                                    <script>: Reply from Outbound

                                    - S=200 - OK M=INVITE IP=udp:<a href="http://196.12.166.251:5060/" target="_blank">196.12.166.251:5060</a> <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank"></a><a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                    UA='<null>'</div>

                                  <div style="font-size:12.8px">Jun 22

                                    18:20:06 sip lb[2909]: NOTICE:

                                    <script>: Sending reply,

                                    fs='udp:<a href="http://127.0.0.1:5060/" target="_blank">127.0.0.1:5060</a>'

                                    - <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                    UA='<null>'</div>

                                  <div style="font-size:12.8px">Jun 22

                                    18:20:06 sip lb[2907]: NOTICE:

                                    <script>: Reply from Outbound

                                    - S=200 - OK M=INVITE IP=udp:<a href="http://196.12.166.251:5060/" target="_blank">196.12.166.251:5060</a> <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank"></a><a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                    UA='<null>'</div>

                                  <div style="font-size:12.8px">Jun 22

                                    18:20:06 sip lb[2907]: NOTICE:

                                    <script>: Sending reply,

                                    fs='udp:<a href="http://127.0.0.1:5060/" target="_blank">127.0.0.1:5060</a>'

                                    - <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                    UA='<null>'</div>

                                  <div style="font-size:12.8px">Jun 22

                                    18:20:06 sip lb[2912]: NOTICE:

                                    <script>: Reply from Outbound

                                    - S=200 - OK M=INVITE IP=udp:<a href="http://196.12.166.251:5060/" target="_blank">196.12.166.251:5060</a> <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank"></a><a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                    UA='<null>'</div>

                                  <div style="font-size:12.8px">Jun 22

                                    18:20:06 sip lb[2912]: NOTICE:

                                    <script>: Sending reply,

                                    fs='udp:<a href="http://127.0.0.1:5060/" target="_blank">127.0.0.1:5060</a>'

                                    - <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                    UA='<null>'</div>

                                </div>

                                <div style="font-size:12.8px"><br>

                                </div>

                                <div style="font-size:12.8px"><br>

                                </div>

                                <div>I just made another call and the

                                  left it running for a few more seconds

                                  and I see the OK, it just takes a bit,

                                  it happens on every call it seems.

                                  Heres the picture:</div>

                                <div><br>

                                </div>

                                <div><a href="https://dl.dropboxusercontent.com/u/41014173/anothercall.PNG" target="_blank">https://dl.dropboxusercontent.com/u/41014173/anothercall.PNG</a><br>

                                </div>

                                <div><br>

                                </div>

                                <div>So in conclusion, all is normal and

                                  ok?<br>

                                  <br>

                                  Thanks!</div>

                                <div><br>

                                </div>

                                <div><br>

                                </div>

                                <div><br>

                                </div>

                                <div><br>

                                </div>

                              </div>

                              <div class="gmail_extra"><br>

                                <div class="gmail_quote">On Thu, Jun 23,

                                  2016 at 8:20 AM, Daniel Grotti <span dir="ltr"><<a href="mailto:dgrotti@sipwise.com" target="_blank"></a><a href="mailto:dgrotti@sipwise.com" target="_blank">dgrotti@sipwise.com</a>></span>

                                  wrote:<br>

                                  <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

                                    <div text="#000000" bgcolor="#FFFFFF">

                                      <div>The ACK looks ok, and it is

                                        sent out here:<span><br>

                                          <br>

                                          Jun 22 18:20:06 sip lb[2922]:

                                          NOTICE: <script>: New

                                          request on lb - M=ACK R=<a href="mailto:sip:17877050555@196.12.166.251:5060" target="_blank"></a><a href="mailto:sip:17877050555@196.12.166.251:5060" target="_blank">sip:17877050555@196.12.166.251:5060</a>

                                          F=<a href="mailto:sip:17875868313@sip.fusetelecom.com" target="_blank">sip:17875868313@sip.fusetelecom.com</a>

                                          T=<a href="mailto:sip:17877050555@sip.fusetelecom.com" target="_blank">sip:17877050555@sip.fusetelecom.com</a>

                                          IP=udp:<a href="http://127.0.0.1:5080" target="_blank">127.0.0.1:5080</a>

                                          <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                          UA='<null>'</span></div>

                                      <div><span>Jun 22 18:20:06 sip

                                          lb[2922]: NOTICE:

                                          <script>: Relaying

                                          request, du='<null>',

                                          fs='udp:<a href="http://192.254.110.41:5060" target="_blank">192.254.110.41:5060</a>'

                                          - R=<a href="http://sip:17877050555@196.12.166.251:5060" target="_blank">sip:17877050555@196.12.166.251:5060</a>

                                          <a href="mailto:ID=C5A0749D@10.246.9.8_b2b-1" target="_blank">ID=C5A0749D@10.246.9.8_b2b-1</a>

                                          UA='<null>'<br>

                                          <br>

                                          <br>

                                        </span> so should go to <a href="mailto:sip:17877050555@196.12.166.251:5060" target="_blank"></a><a href="mailto:sip:17877050555@196.12.166.251:5060" target="_blank">sip:17877050555@196.12.166.251:5060</a>.<br>

                                        <br>

                                        <br>

                                        <br>

                                      </div>

                                      <span>

                                        <div>

                                          <div> <b style="color:#333333;text-transform:uppercase;font-size:10px">

                                              Daniel Grotti </b> <br>

                                            Head of Customer Support

                                            <p> <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> Sipwise

                                                GmbH </a> , Campus

                                              21/Europaring F15<br>

                                              AT-2345 Brunn am Gebirge </p>

                                            <p> Phone:  <a href="callto:+4313012032" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank"> +43(0)1

                                                301 2032 </a> <br>

                                              Email:  <a href="mailto:dgrotti@sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank">

                                                </a><a href="mailto:dgrotti@sipwise.com" target="_blank">dgrotti@sipwise.com</a> 

                                              <br>

                                              Website:  <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank">

                                                </a><a href="http://www.sipwise.com" target="_blank">www.sipwise.com</a>  </p>

                                            <p> Particulars according

                                              Austrian Companies Code

                                              paragraph 14<br>

                                              "Sipwise GmbH" -

                                              Europaring F15 - 2345

                                              Brunn am Gebirge<br>

                                              FN:305595f, Commercial

                                              Court Vienna, ATU64002206

                                            </p>

                                          </div>

                                        </div>

                                      </span>

                                      <div>

                                        <div>

                                          <div>On 06/23/2016 02:00 PM,

                                            Abel Alejandro wrote:<br>

                                          </div>

                                          <blockquote type="cite">

                                            <div dir="ltr">Hello,

                                              <div><br>

                                              </div>

                                              <div>This is the 200 OK

                                                sent from sipwise to one

                                                leg</div>

                                              <div><br>

                                              </div>

                                              SIP/2.0 200 OK<br>

                                              Record-Route:

<sip:127.0.0.1:5062;lr=on;ftag=10.246.9.8+1+4e9d19+990c8790;did=dce.2ea;ice_caller=strip;ice_callee=strip;aset=50;rtpprx=yes;vsf=cmVrY3ZlX1B+RDpvbXsmFyMHHWomPikxNCEOAyQfbHo6Jjg-><br>

                                              Record-Route:

<sip:127.0.0.1;r2=on;lr=on;ftag=10.246.9.8+1+4e9d19+990c8790;ngcplb=yes;socket=udp:<a href="http://192.254.110.41:5060" target="_blank">192.254.110.41:5060</a>><br>

                                              Record-Route:

<sip:192.254.110.41;r2=on;lr=on;ftag=10.246.9.8+1+4e9d19+990c8790;ngcplb=yes;socket=udp:<a href="http://192.254.110.41:5060" target="_blank">192.254.110.41:5060</a>><br>

                                              Via: SIP/2.0/UDP

                                              196.12.170.244:5060;rport=5060;branch=z9hG4bKqlj2ve20bgda0vnsfjg0.1<br>

                                              Call-ID: <a href="mailto:C5A0749D@10.246.9.8" target="_blank"></a><a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a><br>

                                              From: <<a href="http://sip:7875868313@196.12.170.244:5060" target="_blank"></a><a href="mailto:sip:7875868313@196.12.170.244:5060" target="_blank">sip:7875868313@196.12.170.244:5060</a>>;tag=10.246.9.8+1+4e9d19+990c8790;isup-oli=62<br>

                                              To: <<a href="http://sip:7877050555@192.254.110.41:5060" target="_blank"></a><a href="mailto:sip:7877050555@192.254.110.41:5060" target="_blank">sip:7877050555@192.254.110.41:5060</a>>;tag=15F8E190-576B0F15000899A3-8F0C5700<br>

                                              CSeq: 579051710 INVITE<br>

                                              Allow: INVITE, ACK,

                                              CANCEL, OPTIONS, BYE,

                                              SUBSCRIBE, NOTIFY,

                                              PUBLISH, MESSAGE<br>

                                              Supported: replaces<br>

                                              Content-Type:

                                              application/sdp<br>

                                              Content-Length: 285<br>

                                              Contact: <a href="mailto:sip:ngcp-lb@192.254.110.41:5060;ngcpct=7369703a3132372e302e302e313a353038303b707278726f7574653d31" target="_blank"></a><a href="mailto:sip:ngcp-lb@192.254.110.41:5060;ngcpct=7369703a3132372e302e302e313a353038303b707278726f7574653d31" target="_blank"><sip:ngcp-lb@192.254.110.41:5060;ngcpct=7369703a3132372e302e302e313a353038303b707278726f7574653d31></a><br>

                                              <br>

                                              v=0<br>

                                              o=root 223199344 223199344

                                              IN IP4 192.254.110.41<br>

                                              s=Asterisk PBX 13.8.0<br>

                                              c=IN IP4 192.254.110.41<br>

                                              t=0 0<br>

                                              m=audio 30768 RTP/AVP 0

                                              101<br>

                                              a=rtpmap:0 PCMU/8000<br>

                                              a=rtpmap:101

                                              telephone-event/8000<br>

                                              a=fmtp:101 0-16<br>

                                              a=ptime:20<br>

                                              a=maxptime:150<br>

                                              a=direction:both<br>

                                              a=sendrecv<br>

                                              a=rtcp:30769<br>

                                              <br>

                                              <br>

                                              And this is the ACK from

                                              the leg to the sipwise<br>

                                              <br>

                                              <br>

                                              ACK <a href="mailto:sip:ngcp-lb@192.254.110.41:5060;ngcpct=7369703a3132372e302e302e313a353038303b707278726f7574653d31" target="_blank"></a><a href="mailto:sip:ngcp-lb@192.254.110.41:5060;ngcpct=7369703a3132372e302e302e313a353038303b707278726f7574653d31" target="_blank">sip:ngcp-lb@192.254.110.41:5060;ngcpct=7369703a3132372e302e302e313a353038303b707278726f7574653d31</a>

                                              SIP/2.0<br>

                                              Via: SIP/2.0/UDP

                                              196.12.170.244:5060;branch=z9hG4bKnujd48008gpka18537c0.1<br>

                                              Allow-Events:

                                              message-summary, refer,

                                              dialog, line-seize,

                                              presence, call-info,

                                              as-feature-event,

                                              calling-name<br>

                                              Max-Forwards: 69<br>

                                              Call-ID: <a href="mailto:C5A0749D@10.246.9.8" target="_blank"></a><a href="mailto:C5A0749D@10.246.9.8" target="_blank">C5A0749D@10.246.9.8</a><br>

                                              From: <<a href="http://sip:7875868313@196.12.170.244:5060" target="_blank"></a><a href="mailto:sip:7875868313@196.12.170.244:5060" target="_blank">sip:7875868313@196.12.170.244:5060</a>>;tag=10.246.9.8+1+4e9d19+990c8790;isup-oli=62<br>

                                              To: <<a href="http://sip:7877050555@192.254.110.41:5060" target="_blank"></a><a href="mailto:sip:7877050555@192.254.110.41:5060" target="_blank">sip:7877050555@192.254.110.41:5060</a>>;tag=15F8E190-576B0F15000899A3-8F0C5700<br>

                                              CSeq: 579051710 ACK<br>

                                              Contact: <a href="mailto:sip:7875868313@196.12.170.244:5060;transport=udp" target="_blank"></a><a href="mailto:sip:7875868313@196.12.170.244:5060;transport=udp" target="_blank"><sip:7875868313@196.12.170.244:5060;transport=udp></a>;isup-oli=62<br>

                                              Organization: MetaSwitch<br>

                                              Content-Length: 0<br>

                                              Route:

<sip:192.254.110.41;r2=on;lr=on;ftag=10.246.9.8+1+4e9d19+990c8790;ngcplb=yes;socket=udp:<a href="http://192.254.110.41:5060" target="_blank">192.254.110.41:5060</a>><br>

                                              Route:

<sip:127.0.0.1;r2=on;lr=on;ftag=10.246.9.8+1+4e9d19+990c8790;ngcplb=yes;socket=udp:<a href="http://192.254.110.41:5060" target="_blank">192.254.110.41:5060</a>><br>

                                              Route:

<sip:127.0.0.1:5062;lr=on;ftag=10.246.9.8+1+4e9d19+990c8790;did=dce.2ea;ice_caller=strip;ice_callee=strip;aset=50;rtpprx=yes;vsf=cmVrY3ZlX1B+RDpvbXsmFyMHHWomPikxNCEOAyQfbHo6Jjg-></div>

                                            <div class="gmail_extra"><br>

                                              <div class="gmail_quote">On

                                                Thu, Jun 23, 2016 at

                                                3:21 AM, Daniel Grotti <span dir="ltr"><<a href="mailto:dgrotti@sipwise.com" target="_blank"></a><a href="mailto:dgrotti@sipwise.com" target="_blank">dgrotti@sipwise.com</a>></span>

                                                wrote:<br>

                                                <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

                                                  <div text="#000000" bgcolor="#FFFFFF">

                                                    Hi Alejandro,<br>

                                                    how the ACK looks

                                                    like ?<br>

                                                    Maybe some missing

                                                    Route headers ?<br>

                                                    <br>

                                                    Can you share the

                                                    ACK received by LB ?<br>

                                                    <br>

                                                    Regards,<br>

                                                    <div>

                                                      <div> <b style="color:#333333;text-transform:uppercase;font-size:10px">

                                                          Daniel Grotti

                                                        </b> <br>

                                                        Head of Customer

                                                        Support

                                                        <p> <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank">

                                                          Sipwise GmbH </a>

                                                          , Campus

                                                          21/Europaring

                                                          F15<br>

                                                          AT-2345 Brunn

                                                          am Gebirge </p>

                                                        <p> Phone:  <a href="callto:+4313012032" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank">

                                                          +43(0)1 301

                                                          2032 </a> <br>

                                                          Email:  <a href="mailto:dgrotti@sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank">

                                                          </a><a href="mailto:dgrotti@sipwise.com" target="_blank"></a><a href="mailto:dgrotti@sipwise.com" target="_blank">dgrotti@sipwise.com</a>

                                                          <br>

                                                          Website:  <a href="http://www.sipwise.com" style="color:rgb(0,136,204)!important;text-decoration:none!important;border-bottom:1px dotted #aaa" target="_blank">

                                                          </a><a href="http://www.sipwise.com" target="_blank"></a><a href="http://www.sipwise.com" target="_blank">www.sipwise.com</a> </p>

                                                        <p> Particulars

                                                          according

                                                          Austrian

                                                          Companies Code

                                                          paragraph 14<br>

                                                          "Sipwise GmbH"

                                                          - Europaring

                                                          F15 - 2345

                                                          Brunn am

                                                          Gebirge<br>

                                                          FN:305595f,

                                                          Commercial

                                                          Court Vienna,

                                                          ATU64002206 </p>

                                                      </div>

                                                    </div>

                                                    <div>

                                                      <div>

                                                        <div>On

                                                          06/23/2016

                                                          12:43 AM, Abel

                                                          Alejandro

                                                          wrote:<br>

                                                        </div>

                                                      </div>

                                                    </div>

                                                    <blockquote type="cite">

                                                      <div>

                                                        <div>

                                                          <div dir="ltr">The

                                                          subject and

                                                          the first line

                                                          of the message

                                                          are a bit

                                                          different, let

                                                          me rephrase.

                                                          The problem is

                                                          it seems the

                                                          one leg sends

                                                          a ACK in

                                                          response to a

                                                          200 OK to the

                                                          sipwise, but

                                                          the sipwise

                                                          never sends

                                                          the ACK to the

                                                          other leg,

                                                          therefore the

                                                          other leg

                                                          keeps retrying

                                                          sending the

                                                          200 OK.

                                                          <div><br>

                                                          </div>

                                                          <div>Thanks!</div>

                                                          <div><br>

                                                          </div>

                                                          <div><br>

                                                          </div>

                                                          </div>

                                                          <div class="gmail_extra"><br>

                                                          <div class="gmail_quote">On

                                                          Wed, Jun 22,

                                                          2016 at 6:34

                                                          PM, Abel

                                                          Alejandro <span dir="ltr"><<a href="mailto:aalejandro@alliedtechnologygrouppr.com" target="_blank"></a><a href="mailto:aalejandro@alliedtechnologygrouppr.com" target="_blank">aalejandro@alliedtechnologygrouppr.com</a>></span>

                                                          wrote:<br>

                                                          <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

                                                          <div dir="ltr">Hello,

                                                          <div><br>

                                                          </div>

                                                          <div>My calls

                                                          are working

                                                          however I just

                                                          want to

                                                          clarify

                                                          something.

                                                          When a call

                                                          comes thru,

                                                          after the

                                                          endpoint sends

                                                          a 200 OK to

                                                          sipwise

                                                          (192.254.110.41),

                                                          it seems

                                                          sipwise doesnt

                                                          forward this

                                                          to the other

                                                          leg of the

                                                          call, is this

                                                          normal?<br>

                                                          <br>

                                                          </div>

                                                          <div>Pictures

                                                          of both legs:</div>

                                                          <div><br>

                                                          </div>

                                                          <div><a href="https://dl.dropboxusercontent.com/u/41014173/lega.PNG" target="_blank"></a><a href="https://dl.dropboxusercontent.com/u/41014173/lega.PNG" target="_blank">https://dl.dropboxusercontent.com/u/41014173/lega.PNG</a><br>

                                                          </div>

                                                          <div>

                                                          <div><a href="https://dl.dropboxusercontent.com/u/41014173/legb.png" target="_blank"></a><a href="https://dl.dropboxusercontent.com/u/41014173/legb.png" target="_blank">https://dl.dropboxusercontent.com/u/41014173/legb.png</a><br>

                                                          </div>

                                                          <div><br>

                                                          </div>

                                                          <div>SIPWise

                                                          info:</div>

                                                          <div><br>

                                                          </div>

                                                          <div>

                                                          <div>root@sip:/var/log/ngcp#

                                                          cat

                                                          /etc/sipwise_ngcp_version </div>

                                                          <div>System