19c749625f
ISDN4BSD is the work of our brand-new comitter: Hellmuth Michaelis, who has done a tremendous amount of work to bring us this far. There are still some outstanding issues and files to bring into the tree, and for now it will be needed to pick up all the extra docs from the isdn4bsd release. It is probably also a very good idea to subscribe to the isdn@freebsd.org mailing list before you try this out. These files correspond to release "beta Version 0.70.00 / December 1998" from Hellmuth.
109 lines
4.0 KiB
Groff
109 lines
4.0 KiB
Groff
.\"
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.\" Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id: i4b.4,v 1.6 1998/12/05 18:06:03 hm Exp $
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.\"
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.\" last edit-date: [Sat Dec 5 18:38:11 1998]
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.\"
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.Dd February 3, 1998
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.Dt i4b 4
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.Sh NAME
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.Nm i4b
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.Nd isdn4bsd call control ISDN driver
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.Sh FreeBSD SYNOPSIS
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.Cd pseudo-device \&"i4b\&"
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.Sh NetBSD SYNOPSIS
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none
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.Sh DESCRIPTION
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The
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.Nm
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device driver is used by the
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.Xr isdnd 8
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daemon to exchange messages with the isdn4bsd kernel part for the purpose
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of call establishment, control and disconnection and to access various
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control and status informations.
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.Pp
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The messages and message parameters are documented in the include
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file
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.Em /usr/include/machine/i4b_ioctl.h .
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.Pp
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The available ioctl's are:
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.Pp
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.Bl -tag -width Ds -compact -offset indent
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.It Ar I4B_CDID_REQ
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Request a unique Call Description IDentifier (cdid) which identifies
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uniquely a single interaction of the local D channel with the exchange.
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.It Ar I4B_CONNECT_REQ
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Actively request a call setup to a remote ISDN subscriber.
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.It Ar I4B_CONNECT_RESP
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Respond to an incoming call, either accept, reject or ignore it.
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.It Ar I4B_DISCONNECT_REQ
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Actively terminate a connection.
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.It Ar I4B_CTRL_INFO_REQ
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Request information about an installed ISDN controller card.
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.It Ar I4B_DIALOUT_RESP
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Give information about call setup to driver who requested dialing out.
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.It Ar I4B_TIMEOUT_UPD
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Update the kernels timeout value(s) in case of dynamically calculated
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shorthold mode timing changes.
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.It Ar I4B_UPDOWN_IND
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Inform the kernel userland drivers about interface soft up/down status
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changes.
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.It Ar I4B_CTRL_DOWNLOAD
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Download firmware to active card(s).
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.It Ar I4B_ACTIVE_DIAGNOSTIC
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Return diagnostic information from active cards.
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.El
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.Pp
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Status and event messages available from the kernel are:
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.Pp
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.Bl -tag -width Ds -compact -offset indent
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.It Ar MSG_CONNECT_IND
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An incoming call from a remote ISDN user is indicated.
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.It Ar MSG_CONNECT_ACTIVE_IND
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After an incoming call has been accepted locally or an outgoing call has
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been accepted by a remote, the exchange signaled an active connection
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and the corresponding B-channel is switched through.
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.It Ar MSG_DISCONNECT_IND
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A call was terminated.
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.It Ar MSG_DIALOUT_IND
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A userland interface driver requests the daemon to dial out (typically a
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network interface when a packet arrives in its send queue).
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.It Ar MSG_IDLE_TIMEOUT_IND
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A call was terminated by the isdn4bsd kernel driver because a B-channel
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idle timeout occurred.
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.It Ar MSG_ACCT_IND
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Accounting information from a network driver.
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.It Ar MSG_CHARGING_IND
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Charging information from the kernel.
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.El
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.Pp
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.Sh SEE ALSO
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.Xr isdnd 8
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.Sh AUTHOR
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The
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.Nm
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device driver and this manpage were written by Hellmuth Michaelis. He can be
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contacted at hm@kts.org.
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