.\" .\" Copyright (c) 1997, 1999 Hellmuth Michaelis. All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE .\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" .\" $Id: i4btel.4,v 1.6 1999/02/14 09:45:02 hm Exp $ .\" .\" last edit-date: [Sun Feb 14 10:37:09 1999] .\" .Dd February 3, 1998 .Dt i4btel 4 .Sh NAME .Nm i4btel .Nd isdn4bsd ISDN B-channel telephony interface driver .Sh FreeBSD SYNOPSIS .Cd pseudo-device \&"i4btel\&" Op count .Sh NetBSD SYNOPSIS none .Sh DESCRIPTION The .Nm driver provides an interface to the B-channel for telephony applications and is currently used by the .Xr isdnd 8 for answering machine support. The driver is part of the isdn4bsd package. .Sh SEE ALSO .Xr isdnd 8 .Xr isdnd.rc 5 .Sh AUTHOR The .Nm device driver and this manpage were written by Hellmuth Michaelis. He can be contacted at hm@kts.org.