vm - VoiceModem is the program for handling the voice modem
functionality from shell scripts
- -c n use compression type
n
- -d n set i/o device
- -t, -m, -i, -e, -s, -H
equals to -d <2,3,4,5,6,7>
- -l s set device string (e.g.
-l ttyS2:ttyC0)
- -v verbose output
- -w use off / on hook signal
from local handset to start and stop recording
- -x n set debug level
- -L n set maximum recording
length in sec
- -P print first DTMF tone on
stdout and exit
- -R read and print DTMF string
on stdout and exit
- -S s set default shell for
shell scripts (e.g. -S /bin/sh)
- -T n set silence timeout in
0.1sec
- -V n set silence threshold to
<n> (0-100%%)