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    Ok, this was a stupid thing (my fault), with&nbsp; -r 1000 I get easily
    1000 concurrent calls that terminate in 20 seconds.<br>
    This calls just answer, play a file the first 2 seconds and then
    wait.<br>
    Then sipp close because of two many errors, this is the log:<br>
    <blockquote>sipp: The following events occured:<br>
      2012-03-30&gt;-----15:17:07:081&gt;---1333117027.081757:
      Discarding message which can't be mapped to a known SIPp call:<br>
      BYE <a class="moz-txt-link-freetext" href="sip:sipp@192.168.200.185:52281">sip:sipp@192.168.200.185:52281</a> SIP/2.0^M<br>
      Via: SIP/2.0/UDP
      192.168.200.64:5060;branch=z9hG4bK2a711f73;rport^M<br>
      Max-Forwards: 70^M<br>
      From: sut <a class="moz-txt-link-rfc2396E" href="sip:17000@192.168.200.64:5060">&lt;sip:17000@192.168.200.64:5060&gt;</a>;tag=as4ad7b2e8^M<br>
      To: sipp
      <a class="moz-txt-link-rfc2396E" href="sip:sipp@192.168.200.185:52281">&lt;sip:sipp@192.168.200.185:52281&gt;</a>;tag=2001SIPpTag0015^M<br>
      Call-ID: <a class="moz-txt-link-abbreviated" href="mailto:15-2001@192.168.200.185^M">15-2001@192.168.200.185^M</a><br>
      CSeq: 102 BYE^M<br>
      User-Agent: Asterisk PBX 1.8.11.0^M<br>
      X-Asterisk-HangupCause: Normal Clearing^M<br>
      X-Asterisk-HangupCauseCode: 16^M<br>
      Content-Length: 0^M<br>
      ^M<br>
      .<br>
      2012-03-30&gt;-----15:17:07:580&gt;---1333117027.580847:
      Discarding message which can't be mapped to a known SIPp call:<br>
      BYE <a class="moz-txt-link-freetext" href="sip:sipp@192.168.200.185:52281">sip:sipp@192.168.200.185:52281</a> SIP/2.0^M<br>
      Via: SIP/2.0/UDP
      192.168.200.64:5060;branch=z9hG4bK2a711f73;rport^M<br>
      Max-Forwards: 70^M<br>
      From: sut <a class="moz-txt-link-rfc2396E" href="sip:17000@192.168.200.64:5060">&lt;sip:17000@192.168.200.64:5060&gt;</a>;tag=as4ad7b2e8^M<br>
      To: sipp
      <a class="moz-txt-link-rfc2396E" href="sip:sipp@192.168.200.185:52281">&lt;sip:sipp@192.168.200.185:52281&gt;</a>;tag=2001SIPpTag0015^M<br>
      Call-ID: <a class="moz-txt-link-abbreviated" href="mailto:15-2001@192.168.200.185^M">15-2001@192.168.200.185^M</a><br>
      CSeq: 102 BYE^M<br>
      User-Agent: Asterisk PBX 1.8.11.0^M<br>
      X-Asterisk-HangupCause: Normal Clearing^M<br>
      X-Asterisk-HangupCauseCode: 16^M<br>
      Content-Length: 0^M<br>
      ^M<br>
      .<br>
      2012-03-30&gt;-----15:17:07:982&gt;---1333117027.982422:
      Discarding message which can't be mapped to a known SIPp call:<br>
      BYE <a class="moz-txt-link-freetext" href="sip:sipp@192.168.200.185:38844">sip:sipp@192.168.200.185:38844</a> SIP/2.0^M<br>
      Via: SIP/2.0/UDP
      192.168.200.64:5060;branch=z9hG4bK66a86c70;rport^M<br>
      Max-Forwards: 70^M<br>
      From: sut <a class="moz-txt-link-rfc2396E" href="sip:17000@192.168.200.64:5060">&lt;sip:17000@192.168.200.64:5060&gt;</a>;tag=as43adc103^M<br>
      To: sipp
      <a class="moz-txt-link-rfc2396E" href="sip:sipp@192.168.200.185:38844">&lt;sip:sipp@192.168.200.185:38844&gt;</a>;tag=2001SIPpTag009^M<br>
      Call-ID: <a class="moz-txt-link-abbreviated" href="mailto:9-2001@192.168.200.185^M">9-2001@192.168.200.185^M</a><br>
      CSeq: 102 BYE^M<br>
      User-Agent: Asterisk PBX 1.8.11.0^M<br>
      X-Asterisk-HangupCause: Normal Clearing^M<br>
      X-Asterisk-HangupCauseCode: 16^M<br>
      Content-Length: 0^M<br>
      ^M<br>
      .<br>
      2012-03-30&gt;-----15:17:08:504&gt;---1333117028.504334: Unable to
      get a UDP socket (3).<br>
    </blockquote>
    <br>
    But if I change the dialplan, remove background and wait functions,
    add play with a g729 audio file instead, I could do again just 80
    concurrent call.<br>
    <br>
    <br>
    <br>
    <br>
    On 30/03/2012 14:50, Danny Nicholas wrote:
    <blockquote cite="mid:005b01cd0e7c$01c0d280$05427780$@debsinc.com"
      type="cite">
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        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1F497D">Change
            &#8211;r 100 to &#8211;r 300.</span><o:p></o:p></p>
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    </blockquote>
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