How can I debug (to see if the call coming) to the voice gateway at its E1, but it has 5 E1s? Actually what I need to do is to know if an incoming call to the number 23451518 (DID is 1518) was reached or not?
When we try to call from any PSTN or Mobile to the number 23451518 (which is an extension of the DID 1518), we do not receive the call on that extension, and we need to do debug if it reached to the voice gateway E1s (the total of E1s are 5), so the call might come for any of those E1, how can we debug? Special if each E1 was in a separated trunk?
You may be able to filter it as in this doc:
Typically if you connect over telnet/ssh using putty, issue 'no logging console' to reduce CPU and log to a text file in Putty you'll be OK unless you know from experience that this is a particularly busy router (as in lots of start/end calls or other mid call signaling being generated rather than just high channel usage).
Just do a 'debug isdn q931', and log the output to a text file from putty if the GW is busy.
If you try to filter the output too much you may just miss the call you are looking for as it might arrive on an unexpected E1.
Search the output text file for your calling number as well as for the DID number you are expecting...
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