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Hi Bogdan,<br>
        <br>Ok, now we known that is happening. But, is it logic? or is it a bug in 1.6.4.2 version?<br><br>
           <div id="gt-res-content" class="almost_half_cell"><div dir="ltr" style="zoom:1"><span id="result_box" class="short_text" lang="en"><span class="hps">Curiously</span> <span class="hps">this does not happen</span> <span class="hps">with</span> <span class="hps">UDP</span> <span class="hps">signaling.</span></span><br></div></div>
        <br>
        Thanks.<br>
        Regards.<br><br><div><div id="SkyDrivePlaceholder"></div><hr id="stopSpelling">Date: Wed, 4 Apr 2012 18:19:04 +0300<br>From: bogdan@opensips.org<br>To: darham@hotmail.com<br>CC: users@lists.opensips.org<br>Subject: Re: [OpenSIPS-Users] sip message enters on bucle<br><br>

  
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    Jorge,<br>
    <br>
    the message is not looping, it is retransmitting - it is something
    different. OpenSIPS tries to open a new TCP conn to the destination
    (as there is no existing one), but it fails in timeout as you cannot
    open a TCP conn somewhere behind a NAT.<br>
    <br>
    Regards,<br>
    Bogdan<br>
    <br>
    On 04/04/2012 06:06 PM, Jorge Ortea wrote:
    <blockquote cite="mid:DUB111-W13301986457BA3C9EAC4B50DC320@phx.gbl">
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        <br>
        Hi Bogdan,<br>
        <br>
        Is correct, Z.Z.Z.Z:5062 is a public adress behind a NAT. I have
        found that opensips haven't this tcp connection, now this
        account has changed the public adress.<br>
        <br>
        But the sip messages keeps in the loop. It's like if Opensips is
        looking for a tcp connection that it hasn't.... ?¿<br>
        <br>
        Thanks.<br>
        Regards.<br>
        <br>
        <br>
        <div>
          <hr id="ecxstopSpelling">Date: Wed, 4 Apr 2012 17:38:31 +0300<br>
          From: <a class="ecxmoz-txt-link-abbreviated" href="mailto:bogdan@opensips.org">bogdan@opensips.org</a><br>
          To: <a class="ecxmoz-txt-link-abbreviated" href="mailto:darham@hotmail.com">darham@hotmail.com</a><br>
          CC: <a class="ecxmoz-txt-link-abbreviated" href="mailto:users@lists.opensips.org">users@lists.opensips.org</a><br>
          Subject: Re: [OpenSIPS-Users] sip message enters on bucle<br>
          <br>
          
          
          Hi Jorge,<br>
          <br>
          So opensips tries to send the BYE to Z.Z.Z.Z:5062 via TCP
          (guess based on Route hdrs), but nobody is listening on TCP -
          is this address pointing behind a NAT ? why is not accepting a
          new TCP connection.<br>
          <br>
          On the other side, what you can do is to reduce the timeout on
          TCP connection, so opensips will react sooner:<br>
          &nbsp;&nbsp;&nbsp; <a class="ecxmoz-txt-link-freetext" href="http://www.opensips.org/Resources/DocsCoreFcn18#toc78" target="_blank">http://www.opensips.org/Resources/DocsCoreFcn18#toc78</a><br>
          <br>
          Regards,<br>
          Bogdan<br>
          <br>
          On 04/04/2012 05:16 PM, Jorge Ortea wrote:
          <blockquote cite="mid:DUB111-W83DAAED253E136326B3402DC320@phx.gbl">
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              Hi Bogdan,<br>
              <br>
              Exactly, is ready, OpenSIPS try to reach to destination
              but now the account 2105 haven't the location:&nbsp;
              Z.Z.Z.Z:5062<br>
              <br>
              In fact, when OpenSIPS try to reach to there, it write in
              log:&nbsp;&nbsp;&nbsp;&nbsp; (this account uses TLS signaling)<br>
              <br>
              Apr&nbsp; 4 10:14:17 alpha02 /usr/local/sbin/opensips[29503]:
              :::::: BYE - from 911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
              - Source: X.X.X.152<br>
              Apr&nbsp; 4 10:14:18 alpha02 /usr/local/sbin/opensips[29525]:
              :::::: BYE - from 911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
              - Source: X.X.X.152<br>
              Apr&nbsp; 4 10:14:19 alpha02 /usr/local/sbin/opensips[29497]:
              :::::: BYE - from 911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
              - Source: X.X.X.152<br>
              Apr&nbsp; 4 10:14:21 alpha02 /usr/local/sbin/opensips[29487]:
              :::::: BYE - from 911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
              - Source: X.X.X.152<br>
              Apr&nbsp; 4 10:14:25 alpha02 /usr/local/sbin/opensips[29511]:
              :::::: BYE - from 911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
              - Source: X.X.X.152<br>
              Apr&nbsp; 4 10:14:27 alpha02 /usr/local/sbin/opensips[29503]:
              ERROR:core:tcp_blocking_connect: timeout 10 s elapsed from
              10 s <br>
              Apr&nbsp; 4 10:14:27 alpha02 /usr/local/sbin/opensips[29503]:
              ERROR:core:tcpconn_connect: tcp_blocking_connect failed <br>
              Apr&nbsp; 4 10:14:27 alpha02 /usr/local/sbin/opensips[29503]:
              ERROR:core:tcp_send: connect failed <br>
              Apr&nbsp; 4 10:14:27 alpha02 /usr/local/sbin/opensips[29503]:
              ERROR:tm:msg_send: tcp_send failed <br>
              Apr&nbsp; 4 10:14:27 alpha02 /usr/local/sbin/opensips[29503]:
              ERROR:tm:t_forward_nonack: sending request failed <br>
              <br>
              Thus, how can i detect and avoid this ??<br>
              <br>
              Thanks.<br>
              Regards.<br>
              <br>
              <br>
              <div>
                <hr id="ecxstopSpelling">Date: Wed, 4 Apr 2012 14:56:16
                +0300<br>
                From: <a class="ecxmoz-txt-link-abbreviated" href="mailto:bogdan@opensips.org">bogdan@opensips.org</a><br>
                To: <a class="ecxmoz-txt-link-abbreviated" href="mailto:users@lists.opensips.org">users@lists.opensips.org</a><br>
                CC: <a class="ecxmoz-txt-link-abbreviated" href="mailto:darham@hotmail.com">darham@hotmail.com</a><br>
                Subject: Re: [OpenSIPS-Users] sip message enters on
                bucle<br>
                <br>
                Hi Jorge,<br>
                <br>
                It looks like Asterisk generates the BYEs and
                retransmits it because there is no reply coming back
                from opensips. Normally the BYE is end 2 end replied (so
                the other end device should generate the reply for BYE).<br>
                But looking at the 477 reply you get from OpenSIPS, I
                suspect that OpenSIPS was trying to forward the BYE
                request (maybe via TCP), got blocked and failed at the
                end - this failure resulted in the 477 reply.<br>
                <br>
                Check the opensips logs to see error when processing the
                BYE.<br>
                <br>
                Regards,<br>
                Bogdan<br>
                <br>
                On 04/04/2012 11:42 AM, Jorge Ortea wrote:
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                  <div dir="ltr"> Hi,<br>
                    <br>
                    I have the follow VoIP platform;&nbsp; OpenSIPS
                    1.6.4.2-tls + Mediaproxy 2.0 + a pair of Asterisks
                    1.4 (behind SER)<br>
                    <br>
                    It works fine but sometimes a sip message enters on
                    a loop. <span id="ecxresult_box" class="ecxshort_text" lang="en"><span class="ecxhps">Asterisk</span> <span class="ecxhps">sends</span> <span class="ecxhps"></span></span><span id="ecxresult_box" class="ecxshort_text" lang="en"><span class="ecxhps"></span><span class="ecxhps">5 sip
                        messages</span> <span class="ecxhps">at every
                        turn</span></span><br>
                    <br>
                    <br>
                    My logs in OpenSIPS:<br>
                    <br>
                    Apr&nbsp; 4 10:14:17 alpha02
                    /usr/local/sbin/opensips[29503]: :::::: BYE - from
                    911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
                    - Source: X.X.X.152<br>
                    Apr&nbsp; 4 10:14:18 alpha02
                    /usr/local/sbin/opensips[29525]: :::::: BYE - from
                    911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
                    - Source: X.X.X.152<br>
                    Apr&nbsp; 4 10:14:19 alpha02
                    /usr/local/sbin/opensips[29497]: :::::: BYE - from
                    911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
                    - Source: X.X.X.152<br>
                    Apr&nbsp; 4 10:14:21 alpha02
                    /usr/local/sbin/opensips[29487]: :::::: BYE - from
                    911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
                    - Source: X.X.X.152<br>
                    Apr&nbsp; 4 10:14:25 alpha02
                    /usr/local/sbin/opensips[29511]: :::::: BYE - from
                    911111111 to O2105 - Callid: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>
                    - Source: X.X.X.152<br>
                    &nbsp; <br>
                    <br>
                    <br>
                    Sip messages in Asterisk *CLI&gt; 'sip debug':<br>
                    <br>
                    set_destination: Parsing <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>
                    for address/port to send to<br>
                    set_destination: set destination to X.X.X.150, port
                    5060<br>
                    Reliably Transmitting (no NAT) to X.X.X.150:5060:<br>
                    BYE <a class="ecxmoz-txt-link-freetext" target="_blank">sip:2105@Z.Z.Z.Z:5062;transport=tls</a>
                    SIP/2.0<br>
                    Via: SIP/2.0/UDP
                    X.X.X.152:5060;branch=z9hG4bK59044fff;rport<br>
                    Route: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
                    From: "911111111" <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
                    To: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
                    Call-ID: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a><br>
                    CSeq: 2874 BYE<br>
                    User-Agent: Asterisk PBX<br>
                    Max-Forwards: 70<br>
                    X-Asterisk-HangupCause: Normal Clearing<br>
                    X-Asterisk-HangupCauseCode: 16<br>
                    Content-Length: 0<br>
                    <br>
                    <br>
                    ---<br>
                    Scheduling destruction of SIP dialog '<a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a>'
                    in 32000 ms (Method: REFER)<br>
                    Retransmitting #1 (no NAT) to X.X.X.150:5060:<br>
                    BYE <a class="ecxmoz-txt-link-freetext" target="_blank">sip:2105@Z.Z.Z.Z:5062;transport=tls</a>
                    SIP/2.0<br>
                    Via: SIP/2.0/UDP
                    X.X.X.152:5060;branch=z9hG4bK59044fff;rport<br>
                    Route: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
                    From: "911111111" <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
                    To: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
                    Call-ID: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a><br>
                    CSeq: 2874 BYE<br>
                    User-Agent: Asterisk PBX<br>
                    Max-Forwards: 70<br>
                    X-Asterisk-HangupCause: Normal Clearing<br>
                    X-Asterisk-HangupCauseCode: 16<br>
                    Content-Length: 0<br>
                    <br>
                    <br>
                    ---<br>
                    Retransmitting #2 (no NAT) to X.X.X.150:5060:<br>
                    BYE <a class="ecxmoz-txt-link-freetext" target="_blank">sip:2105@Z.Z.Z.Z:5062;transport=tls</a>
                    SIP/2.0<br>
                    Via: SIP/2.0/UDP
                    X.X.X.152:5060;branch=z9hG4bK59044fff;rport<br>
                    Route: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
                    From: "911111111" <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
                    To: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
                    Call-ID: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a><br>
                    CSeq: 2874 BYE<br>
                    User-Agent: Asterisk PBX<br>
                    Max-Forwards: 70<br>
                    X-Asterisk-HangupCause: Normal Clearing<br>
                    X-Asterisk-HangupCauseCode: 16<br>
                    Content-Length: 0<br>
                    <br>
                    <br>
                    ---<br>
                    Retransmitting #3 (no NAT) to X.X.X.150:5060:<br>
                    BYE <a class="ecxmoz-txt-link-freetext" target="_blank">sip:2105@Z.Z.Z.Z:5062;transport=tls</a>
                    SIP/2.0<br>
                    Via: SIP/2.0/UDP
                    X.X.X.152:5060;branch=z9hG4bK59044fff;rport<br>
                    Route: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
                    From: "911111111" <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
                    To: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
                    Call-ID: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a><br>
                    CSeq: 2874 BYE<br>
                    User-Agent: Asterisk PBX<br>
                    Max-Forwards: 70<br>
                    X-Asterisk-HangupCause: Normal Clearing<br>
                    X-Asterisk-HangupCauseCode: 16<br>
                    Content-Length: 0<br>
                    <br>
                    <br>
                    ---<br>
                    Retransmitting #4 (no NAT) to X.X.X.150:5060:<br>
                    BYE <a class="ecxmoz-txt-link-freetext" target="_blank">sip:2105@Z.Z.Z.Z:5062;transport=tls</a>
                    SIP/2.0<br>
                    Via: SIP/2.0/UDP
                    X.X.X.152:5060;branch=z9hG4bK59044fff;rport<br>
                    Route: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
                    From: "911111111" <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
                    To: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
                    Call-ID: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a><br>
                    CSeq: 2874 BYE<br>
                    User-Agent: Asterisk PBX<br>
                    Max-Forwards: 70<br>
                    X-Asterisk-HangupCause: Normal Clearing<br>
                    X-Asterisk-HangupCauseCode: 16<br>
                    Content-Length: 0<br>
                    <br>
                    <br>
                    ---<br>
                    <br>
                    &lt;--- SIP read from X.X.X.150:5060 ---&gt;<br>
                    SIP/2.0 477 Send failed (477/TM)<br>
                    Via: SIP/2.0/UDP
                    X.X.X.152:5060;branch=z9hG4bK59044fff;rport=5060<br>
                    From: "911111111" <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
                    To: <a class="ecxmoz-txt-link-rfc2396E" target="_blank">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
                    Call-ID: <a class="ecxmoz-txt-link-abbreviated" href="mailto:5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152">5b62cc795e6be4ea3fa9a26e543e3622@X.X.X.152</a><br>
                    CSeq: 2874 BYE<br>
                    Server: OpenSIPS (1.6.4-2-tls (i386/linux))<br>
                    Content-Length: 0<br>
                    <br>
                    <br>
                    &lt;-------------&gt;<br>
                    --- (8 headers 0 lines) ---<br>
                    SIP Response message for INCOMING dialog BYE arrived<br>
                    &nbsp;&nbsp;&nbsp; -- Incoming call: Got SIP response 477 "Send
                    failed (477/TM)" back from X.X.X.150<br>
                    <br>
                    <br>
                    <br>
                    At the end, i have restart the asterisk to solve it.
                    How can I avoid it ?<br>
                    <br>
                    <br>
                    Thanks.<br>
                    Regards.<br>
                    <br>
                    <br>
                  </div>
                  <pre><fieldset class="ecxmimeAttachmentHeader"></fieldset>
_______________________________________________
Users mailing list
<a class="ecxmoz-txt-link-abbreviated" href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a>
<a class="ecxmoz-txt-link-freetext" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
</pre>
                </blockquote>
                <br>
                <br>
                <pre class="ecxmoz-signature">-- 
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="ecxmoz-txt-link-freetext" href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a></pre>
              </div>
            </div>
          </blockquote>
          <br>
          <br>
          <pre class="ecxmoz-signature">-- 
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="ecxmoz-txt-link-freetext" href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a></pre>
        </div>
      </div>
    </blockquote>
    <br>
    <br>
    <pre class="ecxmoz-signature">-- 
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="ecxmoz-txt-link-freetext" href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a></pre></div>                                               </div></body>
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