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<DIV><FONT face=Verdana color=#0000ff size=2>You can use the tcpdump comand in 
linux.</FONT></DIV>
<DIV><FONT face=Verdana color=#0000ff size=2>Like: tcpdump -i eth0 -s 0 -w 
name.cap</FONT></DIV>
<DIV><FONT face=Verdana color=#0000ff size=2>And you can open the cap file 
useing wireshark that is a good </FONT></DIV>
<DIV><FONT face=Verdana size=2></FONT>&nbsp;</DIV>
<DIV align=left>
<DIV align=left><FONT face=Verdana size=2>
<HR style="WIDTH: 122px; HEIGHT: 2px" SIZE=2>
</FONT></DIV>
<DIV><FONT color=#c0c0c0><FONT face=Verdana size=2><SPAN>木木</SPAN></FONT></DIV>
<DIV><FONT face=Verdana size=2>2007-11-16</FONT></FONT></DIV></DIV>
<DIV><FONT face=Verdana size=2>
<HR>
</FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>发件人:</STRONG> 
Doug</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>发送时间:</STRONG> 
2007-11-16&nbsp;00:53:15</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>收件人:</STRONG> Asterisk Users 
Mailing List - Non-Commercial Discussion; Asterisk Users Mailing List - 
No</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>抄送:</STRONG> </FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>主题:</STRONG> Re: [asterisk-users] 
DTMF Problem</FONT></FONT></DIV>
<DIV><FONT face=Verdana size=2></FONT>&nbsp;</DIV>
<DIV><FONT face=Verdana size=2>
<DIV>At&nbsp;06:42&nbsp;11/15/2007,&nbsp;=?gb2312?B?xL7Evg==?=&nbsp;wrote:</DIV>
<DIV>&gt;Hi,</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;Could&nbsp;you&nbsp;capture&nbsp;the&nbsp;the&nbsp;UDP&nbsp;package</DIV>
<DIV>&nbsp;</DIV>
<DIV>How&nbsp;is&nbsp;this&nbsp;done?</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&gt;in&nbsp;all&nbsp;of&nbsp;your&nbsp;server,&nbsp;Asterisk&nbsp;A,&nbsp;Asterisk&nbsp;B,&nbsp;ser,&nbsp;Asterisk&nbsp;C.</DIV>
<DIV>&gt;And&nbsp;you&nbsp;can&nbsp;find&nbsp;that&nbsp;server&nbsp;who&nbsp;lost&nbsp;the&nbsp;DTMF&nbsp;(RTP&nbsp;EVENT).</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;----------</DIV>
<DIV>&gt;Amy</DIV>
<DIV>&gt;2007-11-15</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;----------</DIV>
<DIV>&gt;发件人:&nbsp;Arun&nbsp;Kumar</DIV>
<DIV>&gt;发送时间:&nbsp;2007-11-15&nbsp;20:30:45</DIV>
<DIV>&gt;收件人:&nbsp;Asterisk&nbsp;Users&nbsp;Mailing&nbsp;List&nbsp;-&nbsp;Non-Commercial&nbsp;Discussion;&nbsp;SER&nbsp;Users</DIV>
<DIV>&gt;抄送:</DIV>
<DIV>&gt;主题:&nbsp;[asterisk-users]&nbsp;DTMF&nbsp;Problem</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;Hi</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;Here&nbsp;is&nbsp;my&nbsp;setup:</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;USER&nbsp;&nbsp;------&nbsp; &gt;&nbsp;PSTN&nbsp;-----&nbsp; 
&gt;&nbsp;Asterisk&nbsp;A&nbsp;&nbsp;----&nbsp; 
&gt;&nbsp;IAX2&nbsp;Trunk&nbsp;&nbsp;----&nbsp; &gt;&nbsp;Asterisk</DIV>
<DIV>&gt;B&nbsp;---------&nbsp; &gt;&nbsp;SER&nbsp;&nbsp;--------&nbsp; 
&gt;&nbsp;Asterisk&nbsp;C</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;I'm&nbsp;not&nbsp;able&nbsp;to&nbsp;receive&nbsp;DTMF&nbsp;passed&nbsp;by&nbsp;USER&nbsp;on&nbsp;Asterisk&nbsp;C.</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;All&nbsp;my&nbsp;asterisk&nbsp;boxs&nbsp;are&nbsp;configured&nbsp;with&nbsp;same&nbsp;DTMF&nbsp;type&nbsp;(auto)&nbsp;but&nbsp;no&nbsp;luck.</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;Please&nbsp;help&nbsp;on&nbsp;this&nbsp;issue.</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;Thanks,</DIV>
<DIV>&gt;</DIV>
<DIV>&gt;Arun</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>_______________________________________________</DIV>
<DIV>--Bandwidth&nbsp;and&nbsp;Colocation&nbsp;Provided&nbsp;by&nbsp;<A 
href="http://www.api-digital.com--">http://www.api-digital.com--</A></DIV>
<DIV>&nbsp;</DIV>
<DIV>asterisk-users&nbsp;mailing&nbsp;list</DIV>
<DIV>To&nbsp;UNSUBSCRIBE&nbsp;or&nbsp;update&nbsp;options&nbsp;visit:</DIV>
<DIV>&nbsp;&nbsp;&nbsp;<A 
href="http://lists.digium.com/mailman/listinfo/asterisk-users">http://lists.digium.com/mailman/listinfo/asterisk-users</A></DIV></FONT></DIV></BODY></HTML>