[asterisk-users] Capturing call Reject/Decline events on a PRI line

[Richard Mudgett]

> There is no event for Asterisk to recognize. The PROGRESS message just
> says that there is an audio message available for the caller to listen
> to. Asterisk just passes the indication to the peer channel and opens
> the audio path. It is the caller who must recognize any audio message
> that their call has been dropped.
> 
> Thanks for the explanation. Any suggestion on how to recognise that
> the call has been dropped?
> 
> 
> As far as ISDN is concerned, the
> call has not been answered yet so Asterisk must keep waiting.
> 
As far as the ISDN signaling is concerned, the call is still going.
There is no signaling to indicate the call is not going to proceed
any further.

Richard