On Sunday February 04, 2001, Alejandro Lieber wrote:
> What I need is to send a prerecorded message.
>
> I was thinking of recording a message as a wav file and play
> it in a sound board.
>
> I can connect the line output of the sound board to the microphone
> input of the modem board (not a win modem).
>
> At this point, I only need the AT intruction to the modem, so that it
> can input an audio signal and send it to the telephone line.
Voice modems only work with their own proprietary file
formats, so the .wav idea won't work. You'll have to use
the modem itself to record any files you want it to play.
Basically, what you need is a modem control program that
will allow you send (and capture) streams of digitized
voice to (and from) the modem. This cannot be done from the
command line.
The file voice-0.6.1.tar.gz includes the C source code for
just such a program (as well as a shell script for a simple
voice/data/fax answering machine), but written for Linux.
Maybe one of the DOS programmers among us would know how
much work a port to DOS would involve.
R.
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