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CallManager traces. There is checkbox in RTMT to collect them.<br>
<br>
When you setup traces make sure you check the box on the callmanager
trace configuration page for enable h225 and enable h245 debugs.<br>
<br>
Just a few pointers that may come in handy:<br>
<br>
1. finding 'dropped' calls in traces is very tedious. there is
monumental investment in knowledge to make sense of traces. If you can
identify dropped calls in CDR it provides much more rapid problem
isolation:<br>
<a class="moz-txt-link-freetext" href="http://supportwiki.cisco.com/ViewWiki/index.php/Dropped_Call_Troubleshooting_in_CUCM">http://supportwiki.cisco.com/ViewWiki/index.php/Dropped_Call_Troubleshooting_in_CUCM</a><br>
<br>
2. we see many dropped calls caused by TCP session aborts. As h.323
does not support call preservation by default a TCP session abort of
either the H.225 session, H.245 session, or an unregistering phone
device will cause the call to drop. there were a few traces added to
help identify some of these cases:<br>
<br>
CSCsm26337 need clear messages for h225 tcp session failure <br>
CSCsm26355 need clear messages for h245 tcp session failure <br>
<br>
I just updated these so updated information will appear in Cisco Bug
Toolkit in 24-48 hours.<br>
<br>
Regards,<br>
Wes<br>
<br>
<br>
On Thursday, July 30, 2009 12:06:21 AM , Mike O <a class="moz-txt-link-rfc2396E" href="mailto:mikeeo@msn.com"><mikeeo@msn.com></a>
wrote:<br>
<blockquote cite="mid:BLU0-SMTP16EF9ACEAA085609108187C5130@phx.gbl"
type="cite">
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<div><font face="Arial" size="2">Hey all Im getting dropped calls
across an ICT and H323 gateway, which log do I need to look at in RTMT?
I have it all enabled on CM just don;t know which log to download.</font></div>
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