I have to connect more then 1000 computer's modem...

Question

I have to connect more then 1000 computer's modem and retrieve data's from all computers at a same time through modem. We are using ADP Reflection software for retrieving the data. We are having only 2 telephone line. Please send me the hardware and software requirements and the details to achieve this task. My email id is [e-mail] and my contact number is [phone]