I am getting more Confuse about Virtual modem. It's very urgent.?

Question

I am getting more Confuse about Virtual modem. It's very urgent.
Please clear our doubts as soon as possible.what is the confusion are
as follows:--
1. How to connect to 1500 computers over the internet.
2. I am not going to install the software modem at all these 1500 computers.
3. I have to directly connect to 1500 computers without their initiation.
4. I have only all the 1500 computers modem / phone numbers and their names.
5. Virtual modem works or not. If not is there another option?
6. If yes then how
1. What are the requirements including hardware and software
2. How to configure the virtual modem for all the 1500 computers.
Because of in virtual modem there are only 255 Com Ports
3. Can we work on dialup connections or we use VPN. Because we have to
connect 1500 computers at a time.
4. I don't know what modem they are using. They are using hardware modem only
5. Our work is to connect to the 1500 computes and get the files from them
6. Can you give me full details how it works? I am using your trial version.

If it work I will buy it immediately. Please reply back as quick as
possible. We are waiting for your response

Answer 1

The task you want to accomplish is not terribly difficult, but it appears to be well beyond your grasp.

I would recommend you employ someone with some networking experience to complete your task. Trying to teach you networking in this limited answering environment is too time consuming.