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<div class=Section1>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Can somebody explain the error ? <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>U 216.236.168.188:4566 -&gt; 216.236.160.11:5060<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>REGISTER
sip:ccsi.com SIP/2.0..Via: SIP/2.0/UDP 216.236.168.188:11185..Max-<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>Forwards: 70..From:
&lt;sip:pappusip@ccsi.com&gt;;tag=efbf15e06e864dd396fb40e4423<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp;
</span>2f5d0;epid=f8501f5093..To: &lt;sip:pappusip@ccsi.com&gt;..Call-ID:
cae57e249e2e4e<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp;
</span>f6be07a82d964b2946@216.236.168.188..CSeq: 1 REGISTER..Contact:
&lt;sip:216.236<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp;
</span>.168.188:11185&gt;;methods=&quot;INVITE, MESSAGE, INFO, SUBSCRIBE,
OPTIONS, BYE, CA<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>NCEL, NOTIFY, ACK, REFER&quot;..User-Agent:
RTC/1.2.4949 (Messenger 5.0.0482)..E<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>vent:
registration..Allow-Events: presence..Content-Length: 0....<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>####################################################################################################################################################################################################################################################################<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>U 216.236.160.11:5060 -&gt; 216.236.168.188:11185<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>SIP/2.0 477
Unfortunately error on sending to next hop occured (477/TM)..Vi<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>a: SIP/2.0/UDP
216.236.168.188:11185..From: &lt;sip:pappusip@ccsi.com&gt;;tag=efb<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp;
</span>f15e06e864dd396fb40e44232f5d0;epid=f8501f5093..To:
&lt;sip:pappusip@ccsi.com&gt;;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp;
</span>tag=2f560d56b3e8a9ab008f885604d9e30a-f375..Call-ID:
cae57e249e2e4ef6be07a82<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp;
</span>d964b2946@216.236.168.188..CSeq: 1 REGISTER..Server: Sip EXpress router
(0.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>8.12
(i386/freebsd))..Content-Length: 0..Warning: 392 216.236.160.11:5060 &quot;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>Noisy feedback
tells:<span style='mso-spacerun:yes'>&nbsp; </span>pid=13999
req_src_ip=216.236.160.11 req_src_port=506<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><span style='mso-spacerun:yes'>&nbsp; </span>0
in_uri=sip:ccsi.com out_uri=sip:ccsi.com via_cnt==62&quot;....<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>###############################################################################################################################################################################^Cexit<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p><font size=2 face="Times New Roman"><span style='font-size:10.0pt;
mso-no-proof:yes'>&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*&amp;*<br>
C.M. Rahman Jr.<br>
CTO<br>
CCNP, MCSE Security&nbsp;&nbsp;&nbsp; &quot;Secure your self by securing your
System&quot;<br>
CompTI Security Plus Certified<br>
CCS Internet<br>
</span></font><span style='mso-no-proof:yes'><a href="http://www.ccsi.com/"><font
size=2><span style='font-size:10.0pt'>http://www.ccsi.com</span></font></a></span><font
size=2><span style='font-size:10.0pt;mso-no-proof:yes'><br>
<st1:Street w:st="on"><st1:address w:st="on">13704 Research Blvd.</st1:address></st1:Street>
Building O-Suite 4<br>
<st1:place w:st="on"><st1:City w:st="on">Austin</st1:City>, <st1:State w:st="on">TX</st1:State>
 <st1:PostalCode w:st="on">78750</st1:PostalCode></st1:place><br>
Tel: 512-257-2274 Ex: 115</span></font><font size=2><span style='font-size:
10.0pt'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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