> 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 -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users