Dear Pragnesh,

I am looking for similar help. Could u pl suggest me the way how to approach.I have completed DTMF generation and transmission using MT8888 IC.With in local xchng(Epabx) iam able to transmit data b/w to DTMF chips also.Now i want to transmit data through telephone line to a server wich will connected with standard modem.
Iam using 89c51 for my application. Which MODEM ic i have to choose and what is the process to follow.

Thanking u
Rajesh