debug ISDN Q931 in CATOS C6509 ?

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Apr 15th, 2010
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Hi ;

Have a module WS-X6608-E1 which install in C6509 with CatOS version 7.3(1). Been confugyre with CUCM 7.1.3 and it work fine, which IP Phone can make in/out call. Question here is how to do debug in CatOS to verify isdn dial in/out number ? or have any similar command like "debug isdn Q931" to verify ? Pls advice. Thanks.



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Aaron Harrison Fri, 04/16/2010 - 00:36
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Well - you have a few options here. If you want actual trace/debug output from the 6608 itself, you get it via an obscure tool named Dick Tracy.

The only place I could find this to download is from Cisco Press:

1) Go to

2) Click 'downloads' halfway down the page in the 'more information' section, then go to the bottom of the page

To get the idea of how to use it, you can search that same book from the page above for 'dick tracy' and see chapter 3.

Whether or not it will trace the ISDN signaling in a nice format is something I can't remember, and I don't have the kit to try it...

My approach would probably be to enable ISDN tracing on the CallManagers, then use triplecombo to interpret the signaling for me ( - not quite real time, but easier.




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