Dear colleagues,

I have made fairly complex dialplan which uses REGEXP matching for allowing or 
disallowing certain calls, depending on the called extension. This works great 
so far, but there is one problem which I wasn't able to solve:

The plan does not handle all possible extensions a user could dial. For 
example, I have respected the advice which is given in the documents and 
avoided the extension pattern "_.", meaning that the respective context won't 
handle the case where a user dials an extension which is a single digit (e.g. 
"1"). If a user does so, Asterisk cancels the call (as it should be), thereby 
sending the message "not found" to the respective phone.

I would like to change that message (code) to "forbidden". I have found out 
that I can send the "forbidden" code to the phones by doing something like 
"Hangup(21)" in the dialplan. Naturally, this only works in cases where I am in 
control of the Hangup; it won't work in case Asterisk cancels the call 
automatically. Could anybody please tell me how I could change the code which 
is sent to phones when Asterisk can't find a matching extension (pattern) in 
the dialplan? Is there some hook to manipulate the causecode?

There seem to be some dialplan applications which are sending codes for "busy" 
or "congestion" to the other party, but I couldn't find an application for 
sending "forbidden" ...

Thank you very much,

Recursive



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