Date: Thu, 10 Jan 2002 09:46:00 +0100 (MET) From: hm@hcs.de (Hellmuth Michaelis) To: Juha-Matti Liukkonen <jml@cubical.fi> Cc: G Hasse <gh@raditex.se>, freebsd-isdn@freebsd.org Subject: Re: isdnphone Message-ID: <20020110084600.7915559F@hcswork.hcs.de> In-Reply-To: <20020109183533.S18046-100000@portal.cs-intra.net> "from Juha-Matti Liukkonen at Jan 9, 2002 06:46:14 pm"
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From the keyboard of Juha-Matti Liukkonen:
> Hi,
>
> your use of isdnphone looks OK to me; however, the error you are getting
> is a ...feature of isdnd: in usr.sbin/i4b/isdnd/fsm.c, table state_tab[]
> defines what events are accepted when the call is in which state -- and it
> does not (basically) accept more than one hangup per call, be the hangup
> local or remote. Specifically it does not allow for the situation where
> _both_ ends hang up the call, since that generates two disconnects, and
> the latter pulls the entry to illegal state (from which it does not
> recover). Unfortunately in telephony applications, this is a relatively
> common phenomena.
>
> You might want to mofidy the said table as I have: change the {F_ill,
> ST_ILL} in the ST_IDLE column for EV_MDI into {F_NcNa,ST_IDLE}, it makes
> isdnd accept a remote disconnect on an already disconnected call without
> invalidating the config entry. It already does so for a local disconnect
> (EV_DRQ) -- so you can actually do multiple local hangups even to a
> disconnected entry.
Do you think that this fix should make it into the FreeBSD source tree ?
hellmuth
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Hellmuth Michaelis Tel +49 40 55 97 47-70
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