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    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:
    <blockquote cite="mid:DUB111-W60E9DE08ECED1A16CF51BADC320@phx.gbl"
      type="cite">
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        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="result_box" class="short_text" lang="en"><span class="hps">Asterisk</span>
          <span class="hps">sends</span> <span class="hps"></span></span><span
          id="result_box" class="short_text" lang="en"><span class="hps"></span><span
            class="hps">5 sip messages</span> <span class="hps">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="moz-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="moz-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="moz-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="moz-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="moz-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="moz-txt-link-rfc2396E" href="sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044">&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="moz-txt-link-freetext" href="sip:2105@Z.Z.Z.Z:5062;transport=tls">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="moz-txt-link-rfc2396E" href="sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="moz-txt-link-rfc2396E" href="sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
        From: "911111111" <a class="moz-txt-link-rfc2396E" href="sip:911111111@X.X.X.152">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
        To: <a class="moz-txt-link-rfc2396E" href="sip:O2105@X.X.X.150">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
        Call-ID: <a class="moz-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="moz-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="moz-txt-link-freetext" href="sip:2105@Z.Z.Z.Z:5062;transport=tls">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="moz-txt-link-rfc2396E" href="sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="moz-txt-link-rfc2396E" href="sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
        From: "911111111" <a class="moz-txt-link-rfc2396E" href="sip:911111111@X.X.X.152">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
        To: <a class="moz-txt-link-rfc2396E" href="sip:O2105@X.X.X.150">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
        Call-ID: <a class="moz-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="moz-txt-link-freetext" href="sip:2105@Z.Z.Z.Z:5062;transport=tls">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="moz-txt-link-rfc2396E" href="sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="moz-txt-link-rfc2396E" href="sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
        From: "911111111" <a class="moz-txt-link-rfc2396E" href="sip:911111111@X.X.X.152">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
        To: <a class="moz-txt-link-rfc2396E" href="sip:O2105@X.X.X.150">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
        Call-ID: <a class="moz-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="moz-txt-link-freetext" href="sip:2105@Z.Z.Z.Z:5062;transport=tls">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="moz-txt-link-rfc2396E" href="sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="moz-txt-link-rfc2396E" href="sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
        From: "911111111" <a class="moz-txt-link-rfc2396E" href="sip:911111111@X.X.X.152">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
        To: <a class="moz-txt-link-rfc2396E" href="sip:O2105@X.X.X.150">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
        Call-ID: <a class="moz-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="moz-txt-link-freetext" href="sip:2105@Z.Z.Z.Z:5062;transport=tls">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="moz-txt-link-rfc2396E" href="sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044">&lt;sip:X.X.X.150;r2=on;lr=on;did=e25.7093e044&gt;</a>,<a class="moz-txt-link-rfc2396E" href="sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044">&lt;sip:Y.Y.Y.150:5061;transport=tls;r2=on;lr=on;did=e25.7093e044&gt;</a><br>
        From: "911111111" <a class="moz-txt-link-rfc2396E" href="sip:911111111@X.X.X.152">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
        To: <a class="moz-txt-link-rfc2396E" href="sip:O2105@X.X.X.150">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
        Call-ID: <a class="moz-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="moz-txt-link-rfc2396E" href="sip:911111111@X.X.X.152">&lt;sip:911111111@X.X.X.152&gt;</a>;tag=as167eb28e<br>
        To: <a class="moz-txt-link-rfc2396E" href="sip:O2105@X.X.X.150">&lt;sip:O2105@X.X.X.150&gt;</a>;tag=bcd482cd12b8a21i0<br>
        Call-ID: <a class="moz-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>
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_______________________________________________
Users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a>
<a class="moz-txt-link-freetext" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
</pre>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
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