NAME

vm - VoiceModem is the program for handling the voice modem functionality from shell scripts

ACTIONS

beep options [<frequency [<length in 0.001sec>]]>

diagnostics options device name (e.g. ttyS2

dial options phone number

help

play options [<file names]+>

record options file name

shell options [<shell script [shell options]]>

wait options [<time in seconds]>

devicetest

OPTIONS

-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%%)

SEE ALSO

vgetty(1)