On Mon, 2008-03-31 at 16:25 +0100, Steve Davies wrote: > On 31/03/2008, Mike Dent <[EMAIL PROTECTED]> wrote: > > > > On 31/03/2008, Steve Davies <[EMAIL PROTECTED]> wrote: > > > > > > The twist? We actually have far-end hangup detection working fine, and > > > that seems to be where the problem lies for most people. Our problem > > > seems to be with requesting a hangup from our end reliably. > > > > > > If we originate the call, we can hang it up. This suggests to me that > > > the Sangoma A200D is sending the correct hangup signaling. This way > > > round, it is 100% reliable. > > > > > > If we accept a call originated elsewhere, then we cannot hang it up. > > > Only the call originator seems to be able to do that. The upshot is > > > that if asterisk hangs-up a line, and then tries to re-use it for an > > > outbound call before the remote has disconnected, we are simply > > > re-connected to the original caller, and start to play DTMF at them! > > > > > > Has anyone experienced this before? Anyone found a solution? > > > > > > People regularly use this feature to answer a call, then decide they need to > > run upstairs to speak etc, so they put > > the receiver down, go upstairs (or wherever) and pick up the handset to > > speak. It dates back many years and I should think is designed in to the > > system in the UK. Not sure on modern exchanges how long it would take for > > the > > line to clear. > > > > I do the same myself, but for PABX use, that feature must be fatal! > The line clearing time is long... I waited a couple of minutes at > least. Is it possible to turn it off (call BT and ask for a certain > feature to be enabled/disabled) or to shorten the line-clearing time > to zero? Or perhaps Asterisk is able to detect the line state or the > dialtone and act correctly to avoid re-using an open channel. > > In fact, the "obvious" way to do this might be if Asterisk could set > the channel state to "hanging up" and wait for the far end signal > (loop disconnect) that the line has actually been disconnected. > > This is a bit of Zaptel that I've never looked at, so I have no clue > if what I am suggesting is even slightly possible. > > Steve > > _______________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
You should ask for ground start signaling. This will resolve your issues. Dave _______________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users