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<p class="MsoNormal"> </p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">Hello,</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">It's
happens around 40 calls and above …</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">The
*<b>machine</b>* accepts number of invites(we can see by tcpdump ) , but
asterisk sees part of them (we can see by CLI log) , and when it
does , asterisk accepting an invite it reply the initator. (as it should
) – but the rest of invites are just ignored.</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">it's
seems like an O/S issue, because on asterisk level I can all going
correctly via logs (invite is accepted=> packet is
generated=> and 180 is sent immediately to the initiator …) </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">which
tools can help me check kernel issues ?</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">Also,</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">tried
to increase udp buffer (sysctl -w net.core.rmem_max=8388608) , but
seems the problem still persists.</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">Also
, here a screenshot of a typical dump from network interface, you can clearly
see what's going on.</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"><a href="http://img7.imageshack.us/img7/6578/sip.png"><span style="color: rgb(31, 73, 125);">http://img7.imageshack.us/img7/6578/sip.png</span></a></span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">Thank
in advanced , Nir.</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><b><u><span style="font-size: 10pt; font-family: "Tahoma","sans-serif"; color: rgb(31, 73, 125);">C. Savinovich</span></u></b><b><u><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"></span></u></b></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> did
you isolated the issue? , checked firewall , interface errors , routing ,
sniffed the interface….</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);">also
, why using h323 and not IAX2 ?</span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: blue;"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: blue;"> </span></p>
<p class="MsoNormal"><span style="font-family: "Arial","sans-serif"; color: blue;"> </span></p>
<p class="MsoNormal"><b><span style="font-size: 10pt; font-family: "Tahoma","sans-serif";">From:</span></b><span style="font-size: 10pt; font-family: "Tahoma","sans-serif";">
<a href="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a> [mailto:<a href="mailto:asterisk-users-bounces@lists.digium.com">asterisk-users-bounces@lists.digium.com</a>]
<b>On Behalf Of </b>C. Savinovich<br>
<b>Sent:</b> Sunday, April 19, 2009 5:02 PM<br>
<b>To:</b> 'Asterisk Users Mailing List - Non-Commercial Discussion'<br>
<b>Subject:</b> Re: [asterisk-users] issue with sip 180 responses</span></p>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">I am having a similar issue. Asterisk does not show
ringback tone and I investigated this due to it not reading sip invite 180. (or
supposedly not receiving it).. My solution is that now I am using h323</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">(ver 1.4.19)</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);">CS</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; font-family: "Calibri","sans-serif"; color: rgb(31, 73, 125);"> </span></p>
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