My problem is that an incoming call to an ISDN line deivered through a Cisco2851 VIC2-BRI card does not get passed onto CCM to complete the call to a VOIP ext number. From the following debug ISDN q931 I get the following:
As I said above, the definitive way to see what number are sent on ISDN circuits, is "debug isdn q931". Voip ccapi debugs are way too verbose to permit easy diagnostics and clear proof to be given to the simple minds of telco providers.
Hi, Cause i = 0x8081 means that the router is saying it's receiving the ISDN number in the correct format, however, the number does not belong to destination equipment.
But I can't see the called number at the full transcript in your post this is why I suggest you to use the other debug "debug voip ccapi inout", it's a very useful command and if you haven't used it before you can see at the CCO the next useful link:
If you see the number with this command then you'll know the problem, it can be the number the telco is sending you it isn't the number you expected for or it can be the number it's correct but the setup at the ccm it's not the correct (for instance, you could need add a prefix or something like that).
Finally, I asked you if you're using h323 or mgcp because it can be an incorrect configuration at the router if you're using h323.
You can ask to your telco to do some test too, but normally this is a very slow way so it's better try to find by yourself the problem.
I'm not going to start a discussion about this subject because I'm only trying to helping someone to solve a problem, only that I want to say it's that cisco offers a lot of tools you can use for troubleshooting and it's good to know and use them, everyone decides what and how to use at every moment, and for me always it has been very useful trying to see all the points I mentioned previously.
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