how to handle dtmf tones in MS TAPI

[rita]

i want to know how can i sense pressing of telephone buttons and send appropriate response to that ? thankx rita I need help relating TAPI

[Harihara Subramanian]

I would like to know how i can play a wave file through TAPI. My requirement is to hook up to a telephone number through a Modem and when the connection is successful, the application should play a wave file. I have succeded in connecting to a Telephone line using TAPI Can some one help please. Harihara Subramanian