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

[Ishwar Sridharan]

Richard,

Thanks for the explanation. You were right about the lack of signalling to
indicate that the call has been rejected, One particular service provider,
instead of signalling rightaway that the call has been rejected, gives a
voice message saying 'The user is busy. Please call later.', and doesn't
send any more signals till the default timeout.

Total face-palm moment :)

--
Regards,
Ishwar.


On Mon, Aug 1, 2011 at 7:36 PM, Richard Mudgett <rmudgett at digium.com> wrote:

> > 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
>
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