ISDNCAPI(4) BSD Kernel Interfaces Manual ISDNCAPI(4)NAME
isdncapi -- CAPI driver for isdn4bsd
DESCRIPTION
isdncapi is a CAPI driver for the isdn4bsd package. It sits between layer 4 of isdn4bsd and a driver for an active ISDN card; currently only
the iavc(4) driver for the AVM B1 and T1 family of active cards is supported.
SEE ALSO iavc(4)STANDARDS
CAPI 2.0 (http://www.capi.org/)
AUTHORS
The isdncapi device driver was written by Juha-Matti Liukkonen <jml@cubical.fi> (Cubical Solutions Ltd, Finland) for FreeBSD and ported to
NetBSD by Antti Kantee <pooka@cubical.fi>. This manpage was written by Hellmuth Michaelis <hm@FreeBSD.org>.
BSD September 25, 2003 BSD
Check Out this Related Man Page
ISDNTELCTL(8) BSD System Manager's Manual ISDNTELCTL(8)NAME
isdntelctl -- control isdn4bsd telephone sound format conversion
SYNOPSIS
isdntelctl [-c] [-g] [-u unit] [-A] [-U] [-N]
DESCRIPTION
isdntelctl is part of the isdn4bsd package and is used to configure the sound format conversion facilities of the /dev/isdntel interfaces.
The following options are available:
-c Clear the telephone input queue.
-g Get the sound format currently in use.
-u Set the /dev/isdntel unit number. The default value is zero to access device /dev/isdntel0.
-A Do A-law (ISDN line) -> mu-law (userland) conversion.
-U Do mu-law (ISDN line) -> A-law (userland) conversion.
-N Set sound conversion to do no format conversion.
The telephony data stream comes out of the line in a bit-reversed format, so the isdntel(4) driver does the bit-reversion process in any
case.
Additionally, the user can specify to do A-law to mu-law, mu-law to A-law or no conversion at all in the isdntel driver by using the
isdntelctl utility.
FILES
/dev/isdntel<n>
EXAMPLES
The command
isdntelctl -g
displays the currently used sound format for device /dev/isdntel0.
SEE ALSO isdntel(4), isdnd.rc(5), isdnd(8)STANDARDS
A-law and mu-law are specified in ITU Recommendation G.711.
AUTHORS
The isdntelctl utility and this man page were written by Hellmuth Michaelis <hm@kts.org>.
BSD April 21, 1999 BSD
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