125 lines
3.2 KiB
Groff
125 lines
3.2 KiB
Groff
.\" Process this file with
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.\" groff -man -Tascii icnctrl.1 for ASCII output, or
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.\" groff -man -Tps loopctrl.1 for PostScript output
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.\"
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.TH LOOPCTRL 8 "September 1999" isdn4k-utils-@I4LVERSION@ "Linux System Administration"
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.SH NAME
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loopctrl \- configure isdnloop ISDN driver
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.SH SYNOPSIS
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.B loopctrl [-d
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.IB Driver-Id ]
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.I action options
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.B ...
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.SH DESCRIPTION
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.B loopctrl
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is used to setup the isdnloop
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.SM ISDN
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driver.
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.LP
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.SH OPTIONS
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.TP
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.BI "-d " Driver-Id
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selects the virtual S0 interface named by
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.IR Driver-Id .
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Driver-Ids are defined during driver initialisation. See
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.BR isdnloop (4)
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for a description of the syntax to be used for modularised and
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monolithic driver versions.
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This option
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.B must
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be used to identify the virtual S0 interface if more than one S0 interface is
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existent. If a single virtual S0 interface is used, it may be omitted.
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If using more than one virtual card, support for the other cards is enabled
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with the
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.B add
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action of loopctrl. Ids may
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.B not
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start with
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.B digits
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or small
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.BR x ,
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because these values are misinterpreted
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as numeric parameters by
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.BR insmod .
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For loading the module, always the
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newest
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.B modutils
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package should be used to avoid problems during load.
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.LP
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The following
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.I actions
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may be given to
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.BR loopctrl .
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.TP
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.BI "add [" id ]
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enables support for an additional virtual card in the driver. If
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.I id
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is missing, adds a card with an id given by the system. with
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.I id
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given, adds a card with an Id given by the user. Ids are
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checked against conflicts, and if a conflict happens, replaced by the
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system in the same manner as if no Id was supplied.
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.TP
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.B leased on|off
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switches between normal (dialup) and leased-line mode. Leased-line mode
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is intended for usage with S64K-lines or - if both channels are used -
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for S02. These lines do not have a D-channel. When leased-line mode is
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enabled, the driver simulates incoming calls using special "phone-numbers"
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for calling and called address which are generated as follows:
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.ie 1
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.RS
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Calling number:
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.RS
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.BI LEASED x
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.RS
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where
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.I x
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is the internal slot-number of the S0 interface. This number starts with
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.I 0
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for the first S0 interface and is incremented by one for every S0 interface
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configured using the
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.B add
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action.
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.RE
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.RE
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.ie 1
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Called number:
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.RS
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.I x
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.RS
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where
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.I x
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is equal to the channel number of the calling S0 interface starting with
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.IR 1 .
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.RE
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.RE
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.RE
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.TP
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.BI "start " protocol " " phone1 " [" "phone2 phone3" ]
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starts the driver with the given D-channel protocol. If
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.I protocol
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.RB "is " 1tr6 ,
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.RI only " phone1"
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has to be given. It is meant to be the base number of the virtual
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S0 interface to which the EAZ is appended. If
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.I protocol
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.RB "is " dss1 ,
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.IR "phone1, phone2 " and " phone3
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have to be given and represent the three MSNs of the virtual
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S0 interface.
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.TP
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.B dump
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is available if the program is configured using the
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.B --enable-dump
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option only. The contents of internal driver variables is dumped on stdout.
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.SH BUGS
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This program and the isdnloop driver are
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.B ALPHA
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code. The main intention for this driver is for testing the link level
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and applications.
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.SH AUTHOR
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\(co 1997 by Fritz Elfert <fritz@isdn4linux.de>
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.LP
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.SH SEE ALSO
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.BR isdnctrl "(8), " isdnloop "(4), " isdninfo "(4), " isdnctrl "(4), " ttyI (4).
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