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% Juergen Kosel <Juergen.Kosel@gmx.de>
% $Id: device_settings,v 1.1 2001/02/24 10:22:01 marcs Exp $
%
% This file should become part of vgetty.info someday ...
% Otherwise SUSE/Red-Hat binary users wouldn't have any vgetty manual
%
voice-device-setting
This settings selects the device which should be used inside the modem
for voice-IO (phone-line, speaker, microphone,... )
This setting is done for vm with the commandline option -d,
and inside vgetty with the function
int voice_set_device(int device)
The following devices are defined for vm/vgetty:
NO_DEVICE/1: The modem goes on-hook.
IS101/V253: "AT+VLS=0"
Rockwell: Not available, but mapped for many modem to
DIALUP_LINE
DIALUP_LINE/2: The modem selects the phone-line as IO-path
IS101/V253: "AT+VLS=1" the modem goes off-hook!
Rockwell: "AT'VLS=0" the modem needs an additionally
"ATA" for going off-hook!
EXTERNAL_MICROPHONE/3: The modem selects the external microphone for input.
IS101/V253: "AT+VLS=11"
INTERNAL_MICROPHONE/4: The modem selects the internal microphone for input.
IS101/V253: "AT+VLS=6"
Rockwell: "AT#VLS=3"
EXTERNAL_SPEAKER/5: The external modem speaker is selected for output.
IS101/V253modem: "AT+VLS=8"
INTERNAL_SPEAKER/6: The internal modem speaker is selected for output.
For many modems the speaker is only avaiable in
connection with the phone-line.
IS101/V253: "AT+VLS=4"
Rockwell: "AT#VLS=2"
LOCAL_HANDSET/7: The modem selects the local phone as IO-path
IS101/V253: "AT+VLS=2"
Rockwell: "AT'VLS=1"
DIALUP_WITH_EXT_SPEAKER/8:
IS101/V253: "AT+VLS=9"
DIALUP_WITH_INT_SPEAKER/9:
The modem selects the speaker and the phone-line
for IO.
IS101/V253: "AT+VLS=5"
Rockwell: "AT#VLS=4
DIALUP_WITH_LOCAL_HANDSET/10:
The modem can listen to connections between the
local phone and a far station.
%Hochohmigmithoeren
When the modem detects a data/faxcalling-tone
vgetty/vm can switch (someday) to data/fax ->
mgetty sends ATA to the modem -> the modem goes
off-hook which disconnects the local-phone from
the phone-line, and a connection could be established
between the local modem and the far station.
IS101/V253: "AT+VLS=3"
Rockwell: (ugly) "AT#VLS=5" then "AT#VLS=8"
Notes:
1. Playing voice wouldn't work in this state.
2. Some modems may return "ERROR" if the local-phone
is on-hook. (No problem since the ERROR is catched
by vgetty).
3. Implementation of the above could also requiere
changes to the <DLE><H>/<h> handling!
DIALUP_WITH_EXTERNAL_MIC_AND_SPEAKER/11:
IS101/V253: "AT+VLS=13"
DIALUP_WITH_INTERNAL_MIC_AND_SPEAKER/12:
Phone-line, internal microphne and internal speaker
for IO.
IS101/V253: "AT+VLS=7"
Rockwell: "AT#VLS=5"
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