Voice Modem Respond

Hello everybody.

I am planing to write my own voice respond system. But I need to know
something about COM* communication.
I need to know how it is possible to send a wav file to com1.

Do i need to kow anything about the modem, how it handle wav files. Do
i need to know how to send af audio sound to the com port in the
propor format ?

Is there anybody who has got a faq on COM communication ?

Samir Munir (Stud.Med)
Birkeroed, Denmark.