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1. Enable R2 Debugging by inserting all the following commands in your Vega CLI, individually:

   debug enable router rs
   debug enable isdn rs
   debug enable _cas 4567
   debug enable _logger i
   sip monitor on
   log display off
   debug on

    

2. Reproduce the R2 issue

3. Type 'debug dump' in your Vega CLI to dump the debug session. You should see a file produce which looks like this

4. Download the 'debug dump' file to a Linux system so that we can easily dissect. Do a search filter in the file by typing the following:
   -> cat putty.log | grep "CAS-RG" > putty-1.log
   

5. The result is a file that looks like this which contains only the R2 Forward and Backwards tones. 

6. Open the Forward Tones Chart in a new tab and open the Backward Tones Chart in another tab

7. Now you can see in detail what is occurring on the call. Note both tones start in the first group and move to the second group if indicated

• Below is a quick summary of what occurred in the "putty-1.log" file:

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