Thanks for your reply I will attach the wireshark traces as soon as I get to my workstation.<div><br></div><div>BR,</div><div>Sammy.<br><br><div class="gmail_quote">On Mon, Nov 28, 2011 at 3:33 PM, Daniel-Constantin Mierla <span dir="ltr"><<a href="mailto:miconda@gmail.com">miconda@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div bgcolor="#FFFFFF" text="#000000">
Hello,<br>
<br>
send the ngrep trace of such call, from the initial INVITE, you can
use:<br>
<br>
ngrep -d any -qt -W byline port 5060<br>
<br>
The sip trace will help to see what is wrong with that CANCEL.<br>
<br>
Cheers,<br>
Daniel<div><div class="h5"><br>
<br>
On 11/28/11 7:19 AM, Sammy Govind wrote:
</div></div><blockquote type="cite"><div><div class="h5">Anyone please help.<br>
<br>
<div class="gmail_quote">On Sat, Nov 26, 2011 at 10:39 PM, Sammy
Govind <span dir="ltr"><<a href="mailto:govoiper@gmail.com" target="_blank">govoiper@gmail.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Hello list,
<div><br>
</div>
<div>I'm using Kamailio 3.1.5 in front of asterisk servers.
Kamailio handles all the SIP registrations. Calls from SIP
phones are forwarded to asterisks and then dialled out to
Kamailio.</div>
<div><br>
</div>
<div>
<div><font face="'courier new', monospace">root@SBCserver:~#
kamailio -V</font></div>
<div><font face="'courier new', monospace">version: kamailio
3.1.5 (x86_64/linux) 76fff5</font></div>
<div><font face="'courier new', monospace">flags: STATS:
Off, USE_IPV6, USE_TCP, USE_TLS, TLS_HOOKS,
USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK,
SHM_MEM, SHM_MMAP, PKG_MALLOC, DBG_QM_MALLOC, USE_FUTEX,
FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE,
USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST,
HAVE_RESOLV_RES</font></div>
<div><font face="'courier new', monospace">ADAPTIVE_WAIT_LOOPS=1024,
MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, MAX_URI_SIZE
1024, BUF_SIZE 65535, PKG_SIZE 4MB</font></div>
<div><font face="'courier new', monospace">poll method
support: poll, epoll_lt, epoll_et, sigio_rt, select.</font></div>
<div><font face="'courier new', monospace">id: 76fff5</font></div>
<div><font face="'courier new', monospace">compiled on
08:21:33 Oct 27 2011 with gcc 4.6.1</font></div>
<div><font face="'courier new', monospace">root@SBCserver:~#</font></div>
<div><br>
</div>
<div><br>
</div>
</div>
<div>Problem: </div>
<div>When call is initiated from a softphone and is in ringing
phase, CANCEL just don't work. I've done some initial
debugging and the following piece of code in main route is
failing.</div>
<div><br>
</div>
<div>
<div><font face="'courier new', monospace"># CANCEL
processing</font></div>
<div><font face="'courier new', monospace">if
(is_method("CANCEL"))</font></div>
<div><font face="'courier new', monospace">{</font></div>
<div><font face="'courier new', monospace">
xlog("L_NOTICE","$rm from $fu (IP:$si:$sp) ---CAPTURED
IN MAIN---\n");</font></div>
<div><font face="'courier new', monospace"> if
(t_check_trans()){</font></div>
<div><font face="'courier new', monospace">
t_relay();</font></div>
<div><font face="'courier new', monospace">
xlog("L_NOTICE","$rm from $fu (IP:$si:$sp) ---CHECK
TRANS TRUE---\n");</font></div>
<div><font face="'courier new', monospace"> }</font></div>
<div><font face="'courier new', monospace">
xlog("L_NOTICE","$rm from $fu (IP:$si:$sp) ---CHECK
TRANS FALSE---\n");</font></div>
<div><span style="font-family:'courier new',monospace">
exit;</span></div>
<div><font face="'courier new', monospace">}</font></div>
</div>
<div><br>
</div>
<div>Also the CANCEL fails the has_totag() condition !</div>
<div><br>
</div>
<div>The same Call CANCEL scenario works fine for any client
on Public IP !</div>
<div><br>
</div>
<div>Hope to get some pointers for the solution.</div>
<div><br>
</div>
<div>Regards,</div>
<div>Sammy.</div>
</blockquote>
</div>
<br>
<br>
<fieldset></fieldset>
<br>
</div></div><pre>_______________________________________________
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</font></span></pre><span class="HOEnZb"><font color="#888888">
</font></span></blockquote><span class="HOEnZb"><font color="#888888">
<br>
<pre cols="72">--
Daniel-Constantin Mierla -- <a href="http://www.asipto.com" target="_blank">http://www.asipto.com</a>
Kamailio Advanced Training, Dec 5-8, Berlin: <a href="http://asipto.com/u/kat" target="_blank">http://asipto.com/u/kat</a>
<a href="http://linkedin.com/in/miconda" target="_blank">http://linkedin.com/in/miconda</a> -- <a href="http://twitter.com/miconda" target="_blank">http://twitter.com/miconda</a></pre>
</font></span></div>
</blockquote></div><br></div>