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Inbound Call From H323 Gateway Basic Trace Overview

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Cisco Employee

 

This is part of a trace reading video series. The link below is to the main page of the video series.

Link to the home page


Here are the logs if you want to download them: inbound_h323.zip


 
First we find the dialed digits using dd="<number dialed>"

Then we can find the pri setup message. Using the data in the setup message we can track the H.323 signaling.

 

Then we can find the Digit Analysis DmPidRes and get the PID for the called device, the first CI, and the CDCC.

Searching on the first CI we can get the second CI. When we search on the first and second CI we can get a lot of information about the call.

 

More information from the call can be gathered by going back through the search outputs of the different call dependent processes.

2 Comments
Enthusiast

Hi 

 

How did you create custom CUCM language on notepad++

 

Thanks

Beginner

Hi 

 

Thanks for the very good videos over H323 troubleshooting.

 

How to verify Codec mismatch by analyzing H245 Messages ? 

 

Regards,

Ravi

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