Thomas Sailer has a good homepage about soundcard - packet.
http://dl0td.afthd.tu-darmstadt.de/~flexnet/soundmodem.html
55+73 de Manfred (SL2MAN)
-----Ursprüngliche Nachricht-----
Von: Eugene <vfdkcf.aqlgskktp@gslsolutions.com>
An: twwdgzln@uthscsa.edu <terhi.victor@logonet.com>
Datum: Montag, 5. April 1999 10:36
Betreff: Control PPT
>
>Hello
>
>I need scheme to control PTT(radio) with Sound Blaster through MPU401
>MIDI port and may be COM and LPT port's.
>
>Please help
> mail to me
>
>
>Eugene O Golovko e-mail: terhi.victor@logonet.com
>
>