Following would be needed:
Make calls with a proprietary voip protocol software from a computer to landline numbers.
Numbers to call would be given.
The accounts for calls would be opened and prepaid.
No talking. No micro or headphones needed.
Good CPU and internet connection required.
Linux OS recommended.
Payment based on minutes called.
Idea is to make 20 or more concurrent calls.
For 100'000 minutes (per month) called, 100 usd paid.
More minutes are possible with one computer and one person.
Calls can only be made at peak times CET from Monday to Friday.
TOS must be respected.
Daily stats available.
Escrow payment possible. Weekly payment possible.
Test can be made to see what is about.
This is very easy work. Just mouse clicking basically.
This would be a long-term work.
I can give you more details in pmb.