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Very little as the amount of data being captured is quite small. We
have it running on our production servers which routinely handle a
couple of hundred concurrent calls.<br>
<br>
This is the script we use to start off the capture. It uses rolling
capture files so we will always have the last X number of capture
logs. It works very well and we have a custom system which enables
us to search for calls and request traces for them for when we have
to diagnose problems.<br>
<br>
#!/bin/bash<br>
cd /var/lib/asterisk/siptraces<br>
DATE=`date +%Y%m%d%H%M%S`<br>
TRACEFILE=/var/lib/asterisk/siptraces/$DATE-siptrace.pcap<br>
nohup /usr/sbin/tcpdump -p -i eth0 -s 0 port 5060 -w $TRACEFILE -C
10 -W 500 &<br>
<br>
<br>
On 16/01/14 14:27, Tiago Geada wrote:
<blockquote
cite="mid:CAFmd8FiVokh3RLRz3XgogvLw6cd+_guV5bciKNVJsUhcSAbojA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div class="gmail_default"
style="font-family:tahoma,sans-serif;font-size:small;color:#000066">You're
right, seems like a nice way to debug. Regarding that, how
would the impact be affected running it on asterisk box? I
guess only port 5060 is not too bad</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">On 16 January 2014 14:09, Gareth Blades
<span dir="ltr"><<a moz-do-not-send="true"
href="mailto:mailinglist+asterisk@dns99.co.uk"
target="_blank">mailinglist+asterisk@dns99.co.uk</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<div>
<div class="h5"> On 16/01/14 10:47, Tiago Geada wrote:
<blockquote type="cite">
<div dir="ltr">
<div class="gmail_default"
style="font-family:tahoma,sans-serif;font-size:small;color:rgb(0,0,102)">Hi
folks,</div>
<div class="gmail_default"
style="font-family:tahoma,sans-serif;font-size:small;color:rgb(0,0,102)">
<br>
</div>
<div class="gmail_default"
style="font-family:tahoma,sans-serif;font-size:small;color:rgb(0,0,102)">We've
been having a weird issue... It is happening
more often in the last few months...</div>
<div class="gmail_default"
style="font-family:tahoma,sans-serif;font-size:small;color:rgb(0,0,102)">
<br>
</div>
<div class="gmail_default"
style="font-family:tahoma,sans-serif;font-size:small;color:rgb(0,0,102)">Most
inbound calls, we have in our dialplan before
Queue():</div>
<div class="gmail_default"
style="font-family:tahoma,sans-serif;font-size:small;color:rgb(0,0,102)">
<br>
</div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif">Set(CALLERID(name)=${PARTNER}:0:${CALLERID(num)}:${UNIQUEID}:${CHANNEL})</font><span
style="color:rgb(0,0,102);font-family:tahoma,sans-serif">;</span></div>
<div class="gmail_default"><span
style="color:rgb(0,0,102);font-family:tahoma,sans-serif"><br>
</span></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif">So when the call
rings a member, softphone will show this
string ....</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif"><br>
</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif">The issue is that
sometimes the string showing in the softphone
is not the same. Its a string from a past
call, in the latest case I've seen, from about
40 days ago!!</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif"><br>
</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif">User took a
screenshot, I've searched for that uniqueid
showing in softphone in cdr, and that string
was valid for a different call 40 days ago!!</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif"><br>
</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif"><br>
</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif">I searched full log,
and Set() sets the correct string... I can't
figure why softphone shows a string from a
past call !!</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif"><br>
</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif">:(</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif"><br>
</font></div>
<div class="gmail_default"><font color="#000066"
face="tahoma, sans-serif">Any hints ?</font></div>
</div>
<br>
<fieldset></fieldset>
<br>
</blockquote>
</div>
</div>
I would leave tcpdump running capturing port 5060 so you
can load it onto wireshark and have a look at the sip
headers. That will tell you if the SIP is incorrect or if
its a problem with the client.<br>
</div>
<br>
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