Date: Thu, 3 Sep 1998 11:10:29 +0200 (CEST) From: hm@kts.org (Hellmuth Michaelis) To: leo@wau.mis.ah.nl (Leo Weppelman) Cc: freebsd-isdn@FreeBSD.ORG Subject: Re: called-back, rejects and auto hangup Message-ID: <m0zEVPR-00000GC@bert.kts.org> In-Reply-To: <19980902220352.22500@wau.mis.ah.nl> from Leo Weppelman at "Sep 2, 98 10:03:52 pm"
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Leo Weppelman wrote:
> > > When things are not working as they should, the actions in the log
> > > indicate that the reject never arrives at my machine at home. This means
> > > that at my end, the incoming call is not recognized because the connection
> > > entry is still active (still dialing....).
> >
> > If i recall it correctly, a non-answered SETUP takes 8 seconds to cause
> > a reaction at the remote end. Then you should at least 10..12 seconds after
> > the initial call to the remote receive something. If not, something is
> > wrong, wherever it is.
>
> The trace, as I read it, basically says:
> 21:19:40 SETUP from home to work
> 21:19:45 ALERT from work [ this was the 'ringing' - other thread ? ]
> 21:19:45 - Other end rejects and hangs up (as seen in the remote logs)
> 21:19:47 INCOMING call from remote, not accepted by i4b (entry busy)
I think Gary said it already: the remote calls back almost immediately; long
before the local call to the remote is disconnected - this can be seen
from the traces you sent me in private mail.
This situation is not being handled by isdnd due to internal design
limitations - changing this will be a major undertaking.
The only help for this situation is, to delay the callback from the remote
for a time it takes to disconnect the local to the remote.
If the remote were a i4b machine, i'd say "increase the callbackwait entry
parameter for this call to the time it takes to disconnect the local out-
going call". I'm quite shure (this was a Linux machine IIRC) that i4l has
something similar to tune the delay time; this it the knob to tune for this
situation.
hellmuth
--
Hellmuth Michaelis hm@kts.org Hamburg, Europe
A duck is like a bicycle because they both have two wheels except the duck
(terry@cs.weber.edu)
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